./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-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:49:55,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:49:55,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:49:55,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:49:55,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:49:55,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:49:55,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:49:55,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:49:55,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:49:55,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:49:55,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:49:55,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:49:55,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:49:55,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:49:55,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:49:55,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:49:55,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:49:55,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:49:55,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:49:55,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:49:55,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:49:55,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:49:55,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:49:55,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:49:55,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:49:55,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:49:55,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:49:55,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:49:55,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:49:55,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:49:55,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:49:55,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:49:55,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:49:55,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:49:55,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:49:55,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:49:55,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:49:55,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:49:55,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:49:55,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:49:55,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:49:55,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:49:55,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:49:55,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:49:55,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:49:55,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:49:55,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:49:55,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:49:55,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:49:55,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:49:55,940 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:49:55,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:49:55,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:49:55,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:49:55,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:49:55,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:49:55,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:49:55,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:49:55,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:49:55,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:49:55,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:49:55,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:49:55,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:49:55,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:49:55,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:49:55,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:49:55,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:49:55,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:49:55,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:49:55,943 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:49:55,943 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:49:55,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:49:55,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:49:55,943 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2021-12-18 09:49:56,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:49:56,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:49:56,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:49:56,151 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:49:56,152 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:49:56,153 INFO L432 ainManager$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-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-18 09:49:56,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d25b451/ee38b4de0ecb400c93fb603e7e1bbd25/FLAG7c85ae299 [2021-12-18 09:49:56,854 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:49:56,854 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-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-18 09:49:56,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d25b451/ee38b4de0ecb400c93fb603e7e1bbd25/FLAG7c85ae299 [2021-12-18 09:49:56,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d25b451/ee38b4de0ecb400c93fb603e7e1bbd25 [2021-12-18 09:49:56,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:49:56,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:49:56,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:49:56,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:49:56,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:49:56,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:49:56" (1/1) ... [2021-12-18 09:49:56,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27db3680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:49:56, skipping insertion in model container [2021-12-18 09:49:56,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:49:56" (1/1) ... [2021-12-18 09:49:56,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:49:57,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:50:00,581 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-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-12-18 09:50:00,583 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-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-12-18 09:50:00,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:50:00,633 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:50:00,910 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-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-12-18 09:50:00,910 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-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-12-18 09:50:00,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:50:01,147 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:50:01,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01 WrapperNode [2021-12-18 09:50:01,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:50:01,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:50:01,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:50:01,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:50:01,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,567 INFO L137 Inliner]: procedures = 696, calls = 5980, calls flagged for inlining = 358, calls inlined = 317, statements flattened = 11104 [2021-12-18 09:50:01,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:50:01,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:50:01,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:50:01,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:50:01,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:01,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:50:01,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:50:01,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:50:01,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:50:01,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (1/1) ... [2021-12-18 09:50:02,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:50:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:50:02,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 09:50:02,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 09:50:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 09:50:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 09:50:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-12-18 09:50:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-12-18 09:50:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:50:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:50:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 09:50:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 09:50:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-12-18 09:50:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-12-18 09:50:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 09:50:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 09:50:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:50:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:50:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-12-18 09:50:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-12-18 09:50:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-12-18 09:50:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-12-18 09:50:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-18 09:50:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-18 09:50:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-12-18 09:50:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-12-18 09:50:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-12-18 09:50:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-12-18 09:50:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-12-18 09:50:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-12-18 09:50:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 09:50:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 09:50:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 09:50:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 09:50:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 09:50:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 09:50:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-12-18 09:50:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-12-18 09:50:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-12-18 09:50:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-12-18 09:50:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-12-18 09:50:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-12-18 09:50:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-12-18 09:50:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-12-18 09:50:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 09:50:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 09:50:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-18 09:50:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-18 09:50:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 09:50:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 09:50:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 09:50:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 09:50:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-18 09:50:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-18 09:50:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-12-18 09:50:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-12-18 09:50:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 09:50:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 09:50:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 09:50:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 09:50:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-12-18 09:50:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-12-18 09:50:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 09:50:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 09:50:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 09:50:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 09:50:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 09:50:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 09:50:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:50:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:50:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 09:50:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 09:50:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 09:50:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 09:50:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:50:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-12-18 09:50:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-12-18 09:50:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 09:50:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 09:50:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-12-18 09:50:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-12-18 09:50:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 09:50:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 09:50:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-12-18 09:50:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-12-18 09:50:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 09:50:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 09:50:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:50:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 09:50:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 09:50:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 09:50:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 09:50:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 09:50:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 09:50:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 09:50:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 09:50:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-12-18 09:50:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-12-18 09:50:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-12-18 09:50:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-12-18 09:50:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:50:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-12-18 09:50:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-12-18 09:50:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 09:50:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 09:50:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:50:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 09:50:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 09:50:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 09:50:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 09:50:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:50:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:50:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-12-18 09:50:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-12-18 09:50:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 09:50:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 09:50:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 09:50:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 09:50:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 09:50:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 09:50:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 09:50:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 09:50:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:50:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:50:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 09:50:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 09:50:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-12-18 09:50:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-12-18 09:50:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-12-18 09:50:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-12-18 09:50:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 09:50:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 09:50:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 09:50:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 09:50:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 09:50:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 09:50:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-12-18 09:50:02,201 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-12-18 09:50:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:50:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 09:50:02,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 09:50:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 09:50:02,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 09:50:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 09:50:02,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 09:50:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-18 09:50:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-18 09:50:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 09:50:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 09:50:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 09:50:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 09:50:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 09:50:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 09:50:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:50:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 09:50:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 09:50:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 09:50:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 09:50:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 09:50:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 09:50:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:50:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:50:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:50:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 09:50:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 09:50:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:50:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:50:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:50:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:50:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 09:50:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 09:50:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 09:50:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 09:50:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-18 09:50:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-18 09:50:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 09:50:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 09:50:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-12-18 09:50:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-12-18 09:50:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:50:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:50:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-12-18 09:50:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-12-18 09:50:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 09:50:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 09:50:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-12-18 09:50:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-12-18 09:50:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 09:50:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 09:50:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:50:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:50:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-12-18 09:50:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-12-18 09:50:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-12-18 09:50:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-12-18 09:50:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 09:50:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 09:50:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-12-18 09:50:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-12-18 09:50:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 09:50:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 09:50:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-12-18 09:50:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-12-18 09:50:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:50:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:50:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:50:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:50:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-18 09:50:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-18 09:50:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-12-18 09:50:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-12-18 09:50:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 09:50:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 09:50:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 09:50:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 09:50:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-12-18 09:50:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-12-18 09:50:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-12-18 09:50:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-12-18 09:50:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-12-18 09:50:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-12-18 09:50:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 09:50:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 09:50:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-18 09:50:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-18 09:50:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-12-18 09:50:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-12-18 09:50:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:50:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:50:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_120 [2021-12-18 09:50:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_120 [2021-12-18 09:50:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 09:50:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 09:50:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 09:50:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 09:50:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-18 09:50:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-18 09:50:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-12-18 09:50:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-12-18 09:50:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-12-18 09:50:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-12-18 09:50:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 09:50:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 09:50:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-18 09:50:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-18 09:50:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-12-18 09:50:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-12-18 09:50:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-12-18 09:50:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-12-18 09:50:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:50:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-18 09:50:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-18 09:50:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 09:50:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 09:50:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 09:50:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 09:50:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:50:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-12-18 09:50:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-12-18 09:50:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-18 09:50:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-18 09:50:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-12-18 09:50:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-12-18 09:50:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-12-18 09:50:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-12-18 09:50:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:50:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 09:50:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 09:50:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:50:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:50:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 09:50:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 09:50:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-12-18 09:50:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-12-18 09:50:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 09:50:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 09:50:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 09:50:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 09:50:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-12-18 09:50:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-12-18 09:50:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 09:50:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 09:50:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-12-18 09:50:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-12-18 09:50:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-12-18 09:50:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-12-18 09:50:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-18 09:50:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-18 09:50:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 09:50:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 09:50:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 09:50:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 09:50:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-18 09:50:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-18 09:50:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-12-18 09:50:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-12-18 09:50:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 09:50:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 09:50:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-12-18 09:50:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-12-18 09:50:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-18 09:50:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-18 09:50:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 09:50:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 09:50:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 09:50:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 09:50:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-12-18 09:50:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-12-18 09:50:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 09:50:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 09:50:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 09:50:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 09:50:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-12-18 09:50:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-12-18 09:50:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-12-18 09:50:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-12-18 09:50:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-12-18 09:50:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-12-18 09:50:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:50:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-12-18 09:50:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-12-18 09:50:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-12-18 09:50:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-12-18 09:50:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:50:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:50:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-12-18 09:50:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-12-18 09:50:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-12-18 09:50:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-12-18 09:50:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 09:50:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 09:50:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 09:50:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 09:50:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-12-18 09:50:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-12-18 09:50:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-12-18 09:50:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-12-18 09:50:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-12-18 09:50:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-12-18 09:50:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 09:50:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 09:50:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 09:50:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 09:50:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-12-18 09:50:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-12-18 09:50:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 09:50:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 09:50:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-12-18 09:50:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-12-18 09:50:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-12-18 09:50:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-12-18 09:50:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-18 09:50:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-18 09:50:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-12-18 09:50:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-12-18 09:50:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_122 [2021-12-18 09:50:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_122 [2021-12-18 09:50:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-12-18 09:50:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-12-18 09:50:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:50:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-12-18 09:50:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-12-18 09:50:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 09:50:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 09:50:03,268 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:50:03,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:50:03,551 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:50:14,218 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 09:50:14,577 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:50:14,602 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:50:14,602 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 09:50:14,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:50:14 BoogieIcfgContainer [2021-12-18 09:50:14,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:50:14,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:50:14,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:50:14,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:50:14,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:49:56" (1/3) ... [2021-12-18 09:50:14,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5f93b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:50:14, skipping insertion in model container [2021-12-18 09:50:14,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:50:01" (2/3) ... [2021-12-18 09:50:14,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5f93b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:50:14, skipping insertion in model container [2021-12-18 09:50:14,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:50:14" (3/3) ... [2021-12-18 09:50:14,613 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-18 09:50:14,617 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:50:14,617 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-18 09:50:14,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:50:14,667 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 09:50:14,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-18 09:50:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 3394 states, 2344 states have (on average 1.2726109215017065) internal successors, (2983), 2386 states have internal predecessors, (2983), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) [2021-12-18 09:50:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-18 09:50:14,756 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:50:14,757 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:50:14,758 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:50:14,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:50:14,761 INFO L85 PathProgramCache]: Analyzing trace with hash -541006017, now seen corresponding path program 1 times [2021-12-18 09:50:14,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:50:14,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606586633] [2021-12-18 09:50:14,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:50:14,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:50:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:50:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:50:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:50:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:50:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:50:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:50:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:50:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:50:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:50:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:50:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:50:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:50:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:50:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:50:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:50:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:50:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:50:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:50:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:50:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:50:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:50:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:50:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:50:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 09:50:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 09:50:15,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:50:15,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606586633] [2021-12-18 09:50:15,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606586633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:50:15,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:50:15,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:50:15,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288642830] [2021-12-18 09:50:15,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:50:15,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:50:15,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:50:15,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:50:15,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:50:15,965 INFO L87 Difference]: Start difference. First operand has 3394 states, 2344 states have (on average 1.2726109215017065) internal successors, (2983), 2386 states have internal predecessors, (2983), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 09:50:22,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:50:24,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:50:24,670 INFO L93 Difference]: Finished difference Result 9621 states and 13792 transitions. [2021-12-18 09:50:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:50:24,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 278 [2021-12-18 09:50:24,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:50:24,725 INFO L225 Difference]: With dead ends: 9621 [2021-12-18 09:50:24,725 INFO L226 Difference]: Without dead ends: 6193 [2021-12-18 09:50:24,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:50:24,750 INFO L933 BasicCegarLoop]: 5131 mSDtfsCounter, 4589 mSDsluCounter, 6186 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 2054 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5175 SdHoareTripleChecker+Valid, 11317 SdHoareTripleChecker+Invalid, 4540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2054 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:50:24,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5175 Valid, 11317 Invalid, 4540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2054 Valid, 2485 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2021-12-18 09:50:24,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6193 states. [2021-12-18 09:50:24,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6193 to 6068. [2021-12-18 09:50:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6068 states, 4220 states have (on average 1.2627962085308058) internal successors, (5329), 4295 states have internal predecessors, (5329), 1518 states have call successors, (1518), 328 states have call predecessors, (1518), 328 states have return successors, (1518), 1487 states have call predecessors, (1518), 1518 states have call successors, (1518) [2021-12-18 09:50:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6068 states to 6068 states and 8365 transitions. [2021-12-18 09:50:25,032 INFO L78 Accepts]: Start accepts. Automaton has 6068 states and 8365 transitions. Word has length 278 [2021-12-18 09:50:25,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:50:25,035 INFO L470 AbstractCegarLoop]: Abstraction has 6068 states and 8365 transitions. [2021-12-18 09:50:25,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 09:50:25,036 INFO L276 IsEmpty]: Start isEmpty. Operand 6068 states and 8365 transitions. [2021-12-18 09:50:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-18 09:50:25,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:50:25,044 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:50:25,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:50:25,044 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:50:25,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:50:25,045 INFO L85 PathProgramCache]: Analyzing trace with hash -422534720, now seen corresponding path program 1 times [2021-12-18 09:50:25,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:50:25,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382976568] [2021-12-18 09:50:25,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:50:25,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:50:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:50:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:50:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:50:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:50:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:50:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:50:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:50:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:50:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:50:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:50:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:50:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:50:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:50:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:50:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:50:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:50:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:50:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:50:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:50:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:50:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:50:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:50:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:50:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 09:50:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 09:50:25,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:50:25,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382976568] [2021-12-18 09:50:25,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382976568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:50:25,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:50:25,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:50:25,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61178534] [2021-12-18 09:50:25,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:50:25,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:50:25,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:50:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:50:25,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:50:25,792 INFO L87 Difference]: Start difference. First operand 6068 states and 8365 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 09:50:30,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:50:34,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:50:34,005 INFO L93 Difference]: Finished difference Result 18002 states and 25060 transitions. [2021-12-18 09:50:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:50:34,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 279 [2021-12-18 09:50:34,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:50:34,068 INFO L225 Difference]: With dead ends: 18002 [2021-12-18 09:50:34,068 INFO L226 Difference]: Without dead ends: 11981 [2021-12-18 09:50:34,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:50:34,093 INFO L933 BasicCegarLoop]: 5834 mSDtfsCounter, 4782 mSDsluCounter, 6399 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 1868 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5413 SdHoareTripleChecker+Valid, 12233 SdHoareTripleChecker+Invalid, 4449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1868 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:50:34,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5413 Valid, 12233 Invalid, 4449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1868 Valid, 2580 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2021-12-18 09:50:34,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11981 states. [2021-12-18 09:50:34,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11981 to 11733. [2021-12-18 09:50:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11733 states, 8138 states have (on average 1.2592774637503072) internal successors, (10248), 8291 states have internal predecessors, (10248), 2939 states have call successors, (2939), 654 states have call predecessors, (2939), 654 states have return successors, (2939), 2873 states have call predecessors, (2939), 2939 states have call successors, (2939) [2021-12-18 09:50:34,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11733 states to 11733 states and 16126 transitions. [2021-12-18 09:50:34,487 INFO L78 Accepts]: Start accepts. Automaton has 11733 states and 16126 transitions. Word has length 279 [2021-12-18 09:50:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:50:34,488 INFO L470 AbstractCegarLoop]: Abstraction has 11733 states and 16126 transitions. [2021-12-18 09:50:34,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 09:50:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 11733 states and 16126 transitions. [2021-12-18 09:50:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-18 09:50:34,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:50:34,497 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 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] [2021-12-18 09:50:34,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:50:34,498 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:50:34,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:50:34,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1095421352, now seen corresponding path program 1 times [2021-12-18 09:50:34,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:50:34,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761188598] [2021-12-18 09:50:34,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:50:34,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:50:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:50:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:50:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:50:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:50:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:50:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:50:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:50:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:50:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:50:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:50:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:50:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:50:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:50:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:50:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:50:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:50:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:50:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:50:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:50:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:34,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:50:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:50:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:50:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:50:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:50:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:50:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 09:50:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 09:50:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2021-12-18 09:50:35,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:50:35,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761188598] [2021-12-18 09:50:35,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761188598] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:50:35,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:50:35,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:50:35,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203591462] [2021-12-18 09:50:35,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:50:35,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:50:35,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:50:35,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:50:35,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:50:35,068 INFO L87 Difference]: Start difference. First operand 11733 states and 16126 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 09:50:36,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:50:40,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:50:44,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:50:44,065 INFO L93 Difference]: Finished difference Result 35000 states and 48542 transitions. [2021-12-18 09:50:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:50:44,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2021-12-18 09:50:44,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:50:44,168 INFO L225 Difference]: With dead ends: 35000 [2021-12-18 09:50:44,168 INFO L226 Difference]: Without dead ends: 23314 [2021-12-18 09:50:44,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:50:44,225 INFO L933 BasicCegarLoop]: 6201 mSDtfsCounter, 4943 mSDsluCounter, 6722 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 1792 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 12923 SdHoareTripleChecker+Invalid, 4309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:50:44,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5595 Valid, 12923 Invalid, 4309 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1792 Valid, 2516 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2021-12-18 09:50:44,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23314 states. [2021-12-18 09:50:44,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23314 to 22844. [2021-12-18 09:50:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22844 states, 15888 states have (on average 1.258119335347432) internal successors, (19989), 16182 states have internal predecessors, (19989), 5682 states have call successors, (5682), 1272 states have call predecessors, (5682), 1272 states have return successors, (5682), 5557 states have call predecessors, (5682), 5682 states have call successors, (5682) [2021-12-18 09:50:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22844 states to 22844 states and 31353 transitions. [2021-12-18 09:50:44,994 INFO L78 Accepts]: Start accepts. Automaton has 22844 states and 31353 transitions. Word has length 306 [2021-12-18 09:50:44,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:50:44,995 INFO L470 AbstractCegarLoop]: Abstraction has 22844 states and 31353 transitions. [2021-12-18 09:50:44,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 09:50:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 22844 states and 31353 transitions. [2021-12-18 09:50:45,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-18 09:50:45,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:50:45,006 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:50:45,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:50:45,006 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:50:45,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:50:45,007 INFO L85 PathProgramCache]: Analyzing trace with hash 963898604, now seen corresponding path program 1 times [2021-12-18 09:50:45,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:50:45,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869411829] [2021-12-18 09:50:45,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:50:45,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:50:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:50:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:50:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:50:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:50:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:50:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:50:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:50:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:50:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:50:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:50:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:50:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:50:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:50:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:50:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:50:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:50:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:50:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:50:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:50:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:50:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:50:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:50:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:50:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 09:50:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 09:50:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:50:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 09:50:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 09:50:45,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:50:45,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869411829] [2021-12-18 09:50:45,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869411829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:50:45,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:50:45,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:50:45,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121988771] [2021-12-18 09:50:45,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:50:45,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:50:45,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:50:45,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:50:45,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:50:45,467 INFO L87 Difference]: Start difference. First operand 22844 states and 31353 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:50:52,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:50:53,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:50:53,469 INFO L93 Difference]: Finished difference Result 63054 states and 87366 transitions. [2021-12-18 09:50:53,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:50:53,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 305 [2021-12-18 09:50:53,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:50:53,729 INFO L225 Difference]: With dead ends: 63054 [2021-12-18 09:50:53,729 INFO L226 Difference]: Without dead ends: 40257 [2021-12-18 09:50:53,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:50:53,821 INFO L933 BasicCegarLoop]: 5106 mSDtfsCounter, 4376 mSDsluCounter, 6145 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 1914 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4885 SdHoareTripleChecker+Valid, 11251 SdHoareTripleChecker+Invalid, 4304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1914 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:50:53,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4885 Valid, 11251 Invalid, 4304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1914 Valid, 2389 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2021-12-18 09:50:53,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40257 states. [2021-12-18 09:50:55,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40257 to 39599. [2021-12-18 09:50:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39599 states, 27370 states have (on average 1.2504567044208987) internal successors, (34225), 27891 states have internal predecessors, (34225), 9878 states have call successors, (9878), 2317 states have call predecessors, (9878), 2349 states have return successors, (10446), 9654 states have call predecessors, (10446), 9878 states have call successors, (10446) [2021-12-18 09:50:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39599 states to 39599 states and 54549 transitions. [2021-12-18 09:50:55,449 INFO L78 Accepts]: Start accepts. Automaton has 39599 states and 54549 transitions. Word has length 305 [2021-12-18 09:50:55,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:50:55,450 INFO L470 AbstractCegarLoop]: Abstraction has 39599 states and 54549 transitions. [2021-12-18 09:50:55,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:50:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 39599 states and 54549 transitions. [2021-12-18 09:50:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-18 09:50:55,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:50:55,462 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:50:55,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 09:50:55,462 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:50:55,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:50:55,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1382511825, now seen corresponding path program 1 times [2021-12-18 09:50:55,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:50:55,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215187259] [2021-12-18 09:50:55,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:50:55,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:50:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:50:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:50:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:50:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:50:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:50:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:50:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:50:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:50:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:50:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:50:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:50:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:50:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:50:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:50:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:50:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:50:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:50:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:50:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:50:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:50:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:50:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:50:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:50:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 09:50:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:50:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 09:50:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:50:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 09:50:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 09:50:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:50:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2021-12-18 09:50:56,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:50:56,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215187259] [2021-12-18 09:50:56,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215187259] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:50:56,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:50:56,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:50:56,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216236025] [2021-12-18 09:50:56,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:50:56,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:50:56,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:50:56,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:50:56,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:50:56,437 INFO L87 Difference]: Start difference. First operand 39599 states and 54549 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:51:00,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:51:03,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:51:03,447 INFO L93 Difference]: Finished difference Result 80672 states and 111592 transitions. [2021-12-18 09:51:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:51:03,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 326 [2021-12-18 09:51:03,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:51:03,757 INFO L225 Difference]: With dead ends: 80672 [2021-12-18 09:51:03,757 INFO L226 Difference]: Without dead ends: 41120 [2021-12-18 09:51:03,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:51:03,941 INFO L933 BasicCegarLoop]: 4626 mSDtfsCounter, 1684 mSDsluCounter, 6086 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 1095 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 10712 SdHoareTripleChecker+Invalid, 2932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1095 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:51:03,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 10712 Invalid, 2932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1095 Valid, 1836 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-12-18 09:51:03,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41120 states. [2021-12-18 09:51:05,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41120 to 40462. [2021-12-18 09:51:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40462 states, 27980 states have (on average 1.2487133666904933) internal successors, (34939), 28506 states have internal predecessors, (34939), 10038 states have call successors, (10038), 2410 states have call predecessors, (10038), 2442 states have return successors, (10606), 9813 states have call predecessors, (10606), 10038 states have call successors, (10606) [2021-12-18 09:51:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40462 states to 40462 states and 55583 transitions. [2021-12-18 09:51:05,266 INFO L78 Accepts]: Start accepts. Automaton has 40462 states and 55583 transitions. Word has length 326 [2021-12-18 09:51:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:51:05,267 INFO L470 AbstractCegarLoop]: Abstraction has 40462 states and 55583 transitions. [2021-12-18 09:51:05,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:51:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 40462 states and 55583 transitions. [2021-12-18 09:51:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-18 09:51:05,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:51:05,277 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:51:05,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:51:05,277 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:51:05,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:51:05,278 INFO L85 PathProgramCache]: Analyzing trace with hash -920173236, now seen corresponding path program 1 times [2021-12-18 09:51:05,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:51:05,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627439449] [2021-12-18 09:51:05,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:51:05,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:51:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:51:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:51:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:51:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:51:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:51:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:51:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:51:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:51:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:51:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:51:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:51:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:51:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:51:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:51:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:51:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:51:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:51:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:51:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:51:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:51:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:51:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:51:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 09:51:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:51:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 09:51:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 09:51:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 09:51:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:05,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:06,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 09:51:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 09:51:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:51:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:51:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-12-18 09:51:06,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:51:06,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627439449] [2021-12-18 09:51:06,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627439449] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:51:06,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:51:06,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:51:06,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445007658] [2021-12-18 09:51:06,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:51:06,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:51:06,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:51:06,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:51:06,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:51:06,032 INFO L87 Difference]: Start difference. First operand 40462 states and 55583 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 09:51:07,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:51:10,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:51:15,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:51:15,966 INFO L93 Difference]: Finished difference Result 98071 states and 135555 transitions. [2021-12-18 09:51:15,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:51:15,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 346 [2021-12-18 09:51:15,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:51:16,223 INFO L225 Difference]: With dead ends: 98071 [2021-12-18 09:51:16,224 INFO L226 Difference]: Without dead ends: 58347 [2021-12-18 09:51:16,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:51:16,351 INFO L933 BasicCegarLoop]: 6635 mSDtfsCounter, 4214 mSDsluCounter, 7048 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 1598 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4774 SdHoareTripleChecker+Valid, 13683 SdHoareTripleChecker+Invalid, 4073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1598 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:51:16,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4774 Valid, 13683 Invalid, 4073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1598 Valid, 2474 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2021-12-18 09:51:16,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58347 states. [2021-12-18 09:51:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58347 to 57386. [2021-12-18 09:51:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57386 states, 39662 states have (on average 1.2466340577883113) internal successors, (49444), 40412 states have internal predecessors, (49444), 14195 states have call successors, (14195), 3483 states have call predecessors, (14195), 3527 states have return successors, (14989), 13874 states have call predecessors, (14989), 14195 states have call successors, (14989) [2021-12-18 09:51:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57386 states to 57386 states and 78628 transitions. [2021-12-18 09:51:18,264 INFO L78 Accepts]: Start accepts. Automaton has 57386 states and 78628 transitions. Word has length 346 [2021-12-18 09:51:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:51:18,265 INFO L470 AbstractCegarLoop]: Abstraction has 57386 states and 78628 transitions. [2021-12-18 09:51:18,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 09:51:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 57386 states and 78628 transitions. [2021-12-18 09:51:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-12-18 09:51:18,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:51:18,283 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 21, 21, 21, 21, 21, 21, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:51:18,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:51:18,284 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:51:18,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:51:18,284 INFO L85 PathProgramCache]: Analyzing trace with hash -501819865, now seen corresponding path program 1 times [2021-12-18 09:51:18,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:51:18,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011637636] [2021-12-18 09:51:18,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:51:18,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:51:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:51:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:51:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:51:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:51:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:51:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:51:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:51:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:51:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:51:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:51:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:51:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:51:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:51:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:51:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:51:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:51:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:51:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:51:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:51:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:51:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:51:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:51:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 09:51:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:51:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 09:51:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 09:51:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:51:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 09:51:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 09:51:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 09:51:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 09:51:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 09:51:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:51:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 09:51:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2383 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2360 trivial. 0 not checked. [2021-12-18 09:51:19,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:51:19,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011637636] [2021-12-18 09:51:19,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011637636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:51:19,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:51:19,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:51:19,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216545836] [2021-12-18 09:51:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:51:19,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:51:19,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:51:19,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:51:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:51:19,102 INFO L87 Difference]: Start difference. First operand 57386 states and 78628 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:51:22,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:51:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:51:29,445 INFO L93 Difference]: Finished difference Result 171221 states and 236496 transitions. [2021-12-18 09:51:29,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:51:29,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 386 [2021-12-18 09:51:29,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:51:30,048 INFO L225 Difference]: With dead ends: 171221 [2021-12-18 09:51:30,048 INFO L226 Difference]: Without dead ends: 114573 [2021-12-18 09:51:30,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:51:30,437 INFO L933 BasicCegarLoop]: 7361 mSDtfsCounter, 4684 mSDsluCounter, 7328 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 1547 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5336 SdHoareTripleChecker+Valid, 14689 SdHoareTripleChecker+Invalid, 4105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1547 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:51:30,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5336 Valid, 14689 Invalid, 4105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1547 Valid, 2557 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2021-12-18 09:51:30,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114573 states. [2021-12-18 09:51:33,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114573 to 112686. [2021-12-18 09:51:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112686 states, 77866 states have (on average 1.2465260832712608) internal successors, (97062), 79320 states have internal predecessors, (97062), 27885 states have call successors, (27885), 6845 states have call predecessors, (27885), 6933 states have return successors, (29473), 27284 states have call predecessors, (29473), 27885 states have call successors, (29473) [2021-12-18 09:51:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112686 states to 112686 states and 154420 transitions. [2021-12-18 09:51:34,247 INFO L78 Accepts]: Start accepts. Automaton has 112686 states and 154420 transitions. Word has length 386 [2021-12-18 09:51:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:51:34,250 INFO L470 AbstractCegarLoop]: Abstraction has 112686 states and 154420 transitions. [2021-12-18 09:51:34,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:51:34,250 INFO L276 IsEmpty]: Start isEmpty. Operand 112686 states and 154420 transitions. [2021-12-18 09:51:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-12-18 09:51:34,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:51:34,281 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 21, 21, 21, 21, 21, 21, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:51:34,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 09:51:34,281 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:51:34,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:51:34,281 INFO L85 PathProgramCache]: Analyzing trace with hash -530320155, now seen corresponding path program 1 times [2021-12-18 09:51:34,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:51:34,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220775576] [2021-12-18 09:51:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:51:34,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:51:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:51:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:51:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:51:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:51:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:51:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:51:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:51:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:51:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:51:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:51:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:51:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:51:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:51:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:51:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:51:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:51:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:51:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:51:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:51:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:51:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:51:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:51:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 09:51:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:51:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 09:51:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 09:51:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:51:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 09:51:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 09:51:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 09:51:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 09:51:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 09:51:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:51:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 09:51:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2383 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2360 trivial. 0 not checked. [2021-12-18 09:51:35,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:51:35,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220775576] [2021-12-18 09:51:35,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220775576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:51:35,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:51:35,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:51:35,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084025216] [2021-12-18 09:51:35,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:51:35,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:51:35,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:51:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:51:35,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:51:35,289 INFO L87 Difference]: Start difference. First operand 112686 states and 154420 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:51:38,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:51:47,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:51:47,304 INFO L93 Difference]: Finished difference Result 282779 states and 390216 transitions. [2021-12-18 09:51:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:51:47,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 386 [2021-12-18 09:51:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:51:48,224 INFO L225 Difference]: With dead ends: 282779 [2021-12-18 09:51:48,224 INFO L226 Difference]: Without dead ends: 169907 [2021-12-18 09:51:48,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:51:48,867 INFO L933 BasicCegarLoop]: 8812 mSDtfsCounter, 4497 mSDsluCounter, 8255 mSDsCounter, 0 mSdLazyCounter, 2620 mSolverCounterSat, 1248 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5147 SdHoareTripleChecker+Valid, 17067 SdHoareTripleChecker+Invalid, 3869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1248 IncrementalHoareTripleChecker+Valid, 2620 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:51:48,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5147 Valid, 17067 Invalid, 3869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1248 Valid, 2620 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2021-12-18 09:51:48,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169907 states. [2021-12-18 09:51:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169907 to 167101. [2021-12-18 09:51:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167101 states, 115386 states have (on average 1.2467890385315377) internal successors, (143862), 117539 states have internal predecessors, (143862), 41425 states have call successors, (41425), 10156 states have call predecessors, (41425), 10288 states have return successors, (43807), 40545 states have call predecessors, (43807), 41425 states have call successors, (43807) [2021-12-18 09:51:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167101 states to 167101 states and 229094 transitions. [2021-12-18 09:51:54,654 INFO L78 Accepts]: Start accepts. Automaton has 167101 states and 229094 transitions. Word has length 386 [2021-12-18 09:51:54,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:51:54,654 INFO L470 AbstractCegarLoop]: Abstraction has 167101 states and 229094 transitions. [2021-12-18 09:51:54,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:51:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 167101 states and 229094 transitions. [2021-12-18 09:51:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-12-18 09:51:54,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:51:54,678 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 21, 21, 21, 21, 21, 21, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:51:54,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 09:51:54,679 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:51:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:51:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1469073769, now seen corresponding path program 1 times [2021-12-18 09:51:54,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:51:54,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035691441] [2021-12-18 09:51:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:51:54,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:51:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:51:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:51:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:51:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:51:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:51:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:51:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:51:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:51:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:51:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:51:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:51:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:51:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:51:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:51:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:51:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:51:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:51:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:51:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:51:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:51:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:51:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:51:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 09:51:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:51:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 09:51:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 09:51:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 09:51:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 09:51:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 09:51:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 09:51:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:51:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:51:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:51:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:51:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:51:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:51:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 09:51:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 09:51:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 09:51:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 09:51:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:51:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2439 trivial. 0 not checked. [2021-12-18 09:51:55,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:51:55,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035691441] [2021-12-18 09:51:55,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035691441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:51:55,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:51:55,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:51:55,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967826865] [2021-12-18 09:51:55,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:51:55,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:51:55,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:51:55,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:51:55,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:51:55,594 INFO L87 Difference]: Start difference. First operand 167101 states and 229094 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-18 09:51:58,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:52:08,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:52:08,618 INFO L93 Difference]: Finished difference Result 386907 states and 533577 transitions. [2021-12-18 09:52:08,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:52:08,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 420 [2021-12-18 09:52:08,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted.