./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 10:04:56,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:04:56,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:04:56,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:04:56,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:04:56,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:04:56,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:04:56,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:04:56,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:04:56,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:04:56,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:04:56,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:04:56,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:04:56,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:04:56,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:04:56,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:04:56,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:04:56,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:04:56,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:04:56,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:04:56,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:04:56,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:04:56,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:04:56,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:04:56,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:04:56,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:04:56,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:04:56,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:04:56,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:04:56,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:04:56,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:04:56,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:04:56,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:04:56,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:04:56,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:04:56,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:04:56,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:04:56,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:04:56,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:04:56,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:04:56,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:04:56,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:04:56,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:04:56,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:04:56,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:04:56,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:04:56,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:04:56,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:04:56,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:04:56,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:04:56,577 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:04:56,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:04:56,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:04:56,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:04:56,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:04:56,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:04:56,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:04:56,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:04:56,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:04:56,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:04:56,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:04:56,579 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:04:56,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:04:56,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:04:56,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:04:56,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2021-11-17 10:04:56,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:04:56,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:04:56,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:04:56,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:04:56,747 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:04:56,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-17 10:04:56,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e369126/87fb3b56df664a45ba526ea7553f1f08/FLAG8daf290f0 [2021-11-17 10:04:57,441 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:04:57,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-17 10:04:57,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e369126/87fb3b56df664a45ba526ea7553f1f08/FLAG8daf290f0 [2021-11-17 10:04:57,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e369126/87fb3b56df664a45ba526ea7553f1f08 [2021-11-17 10:04:57,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:04:57,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:04:57,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:04:57,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:04:57,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:04:57,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:04:57" (1/1) ... [2021-11-17 10:04:57,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ace247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:04:57, skipping insertion in model container [2021-11-17 10:04:57,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:04:57" (1/1) ... [2021-11-17 10:04:57,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:04:57,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:05:00,927 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-11-17 10:05:00,929 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-11-17 10:05:00,952 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:05:01,003 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:05:01,311 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-11-17 10:05:01,312 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-11-17 10:05:01,316 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:05:01,538 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:05:01,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01 WrapperNode [2021-11-17 10:05:01,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:05:01,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:05:01,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:05:01,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:05:01,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:01,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:01,817 INFO L137 Inliner]: procedures = 667, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8500 [2021-11-17 10:05:01,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:05:01,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:05:01,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:05:01,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:05:01,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:01,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:01,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:01,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:01,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:02,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:02,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:02,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:05:02,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:05:02,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:05:02,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:05:02,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (1/1) ... [2021-11-17 10:05:02,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:05:02,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:05:02,115 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) [2021-11-17 10:05:02,134 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 [2021-11-17 10:05:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 10:05:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 10:05:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:05:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:05:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:05:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:05:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:05:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:05:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-17 10:05:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-17 10:05:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-17 10:05:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-17 10:05:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-17 10:05:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-17 10:05:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-17 10:05:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-17 10:05:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-17 10:05:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-17 10:05:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 10:05:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 10:05:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-17 10:05:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-17 10:05:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 10:05:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 10:05:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 10:05:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 10:05:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-17 10:05:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-17 10:05:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-17 10:05:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-17 10:05:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-17 10:05:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-17 10:05:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 10:05:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 10:05:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-17 10:05:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-17 10:05:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-17 10:05:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-17 10:05:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 10:05:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 10:05:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:05:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:05:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 10:05:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 10:05:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 10:05:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 10:05:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-17 10:05:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-17 10:05:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-17 10:05:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-17 10:05:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:05:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:05:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-17 10:05:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-17 10:05:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 10:05:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 10:05:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:05:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 10:05:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 10:05:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-17 10:05:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-17 10:05:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 10:05:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 10:05:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 10:05:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 10:05:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-17 10:05:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-17 10:05:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-17 10:05:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-17 10:05:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-17 10:05:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 10:05:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 10:05:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 10:05:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 10:05:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-11-17 10:05:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-11-17 10:05:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 10:05:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-17 10:05:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-17 10:05:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-17 10:05:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-17 10:05:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 10:05:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 10:05:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-17 10:05:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-17 10:05:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 10:05:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 10:05:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 10:05:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-17 10:05:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-17 10:05:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:05:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:05:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:05:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 10:05:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 10:05:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 10:05:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 10:05:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 10:05:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 10:05:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 10:05:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 10:05:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-17 10:05:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-17 10:05:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-17 10:05:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-17 10:05:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 10:05:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 10:05:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:05:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:05:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 10:05:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 10:05:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-17 10:05:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-17 10:05:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-17 10:05:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-17 10:05:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 10:05:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 10:05:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:05:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 10:05:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 10:05:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 10:05:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-17 10:05:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 10:05:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 10:05:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 10:05:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 10:05:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-17 10:05:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-17 10:05:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 10:05:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 10:05:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-17 10:05:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-17 10:05:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:05:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 10:05:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 10:05:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:05:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:05:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 10:05:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 10:05:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:05:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 10:05:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-17 10:05:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-17 10:05:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-17 10:05:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-17 10:05:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-17 10:05:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-17 10:05:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:05:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:05:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:05:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:05:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:05:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:05:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 10:05:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 10:05:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-11-17 10:05:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-11-17 10:05:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-17 10:05:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-17 10:05:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-17 10:05:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-17 10:05:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-17 10:05:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-17 10:05:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-17 10:05:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-17 10:05:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 10:05:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 10:05:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 10:05:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 10:05:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 10:05:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 10:05:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 10:05:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 10:05:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-17 10:05:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-17 10:05:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 10:05:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 10:05:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-17 10:05:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-17 10:05:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-17 10:05:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-17 10:05:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 10:05:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 10:05:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-17 10:05:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-17 10:05:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:05:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:05:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 10:05:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 10:05:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-17 10:05:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-17 10:05:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 10:05:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 10:05:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:05:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:05:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-17 10:05:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-17 10:05:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 10:05:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 10:05:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 10:05:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 10:05:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 10:05:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 10:05:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 10:05:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-17 10:05:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-17 10:05:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 10:05:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 10:05:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 10:05:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 10:05:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-17 10:05:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-17 10:05:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 10:05:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 10:05:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-17 10:05:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-17 10:05:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-17 10:05:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-17 10:05:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 10:05:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 10:05:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-17 10:05:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-17 10:05:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-17 10:05:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-17 10:05:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 10:05:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 10:05:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 10:05:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 10:05:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 10:05:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 10:05:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 10:05:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 10:05:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 10:05:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 10:05:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 10:05:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 10:05:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:05:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 10:05:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 10:05:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-17 10:05:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-17 10:05:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-17 10:05:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-17 10:05:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 10:05:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 10:05:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-17 10:05:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-17 10:05:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 10:05:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 10:05:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:05:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-17 10:05:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-17 10:05:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-11-17 10:05:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-11-17 10:05:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:05:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-17 10:05:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-17 10:05:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:05:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:05:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 10:05:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 10:05:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-17 10:05:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-17 10:05:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 10:05:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 10:05:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 10:05:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 10:05:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:05:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:05:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 10:05:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 10:05:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:05:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:05:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 10:05:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 10:05:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-17 10:05:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-17 10:05:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 10:05:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 10:05:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-17 10:05:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-17 10:05:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-11-17 10:05:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-11-17 10:05:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 10:05:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 10:05:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 10:05:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 10:05:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-17 10:05:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-17 10:05:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 10:05:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 10:05:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-17 10:05:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-17 10:05:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 10:05:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 10:05:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-17 10:05:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-17 10:05:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:05:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:05:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:05:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-11-17 10:05:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-11-17 10:05:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-17 10:05:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-17 10:05:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:05:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:05:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-17 10:05:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-17 10:05:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-17 10:05:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-17 10:05:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-17 10:05:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-17 10:05:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 10:05:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 10:05:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-17 10:05:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-17 10:05:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 10:05:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 10:05:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-17 10:05:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-17 10:05:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-17 10:05:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-17 10:05:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-17 10:05:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-17 10:05:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-17 10:05:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-17 10:05:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-17 10:05:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-17 10:05:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-17 10:05:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-17 10:05:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 10:05:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 10:05:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 10:05:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 10:05:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:05:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:05:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-17 10:05:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-17 10:05:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-17 10:05:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-17 10:05:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-17 10:05:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-17 10:05:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-17 10:05:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-17 10:05:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:05:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:05:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 10:05:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 10:05:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-17 10:05:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-17 10:05:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 10:05:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 10:05:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-11-17 10:05:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-11-17 10:05:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:05:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:05:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:05:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-17 10:05:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-17 10:05:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-17 10:05:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-17 10:05:02,992 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:05:02,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:05:03,098 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 10:05:11,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 10:05:11,854 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 10:05:11,867 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 10:05:11,867 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-17 10:05:11,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:05:11 BoogieIcfgContainer [2021-11-17 10:05:11,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 10:05:11,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 10:05:11,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 10:05:11,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 10:05:11,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:04:57" (1/3) ... [2021-11-17 10:05:11,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155388c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:05:11, skipping insertion in model container [2021-11-17 10:05:11,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:05:01" (2/3) ... [2021-11-17 10:05:11,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155388c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:05:11, skipping insertion in model container [2021-11-17 10:05:11,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:05:11" (3/3) ... [2021-11-17 10:05:11,877 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-17 10:05:11,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 10:05:11,880 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 10:05:11,925 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 10:05:11,940 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 [2021-11-17 10:05:11,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 10:05:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2021-11-17 10:05:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-17 10:05:12,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:05:12,026 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:05:12,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:05:12,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:05:12,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1855749033, now seen corresponding path program 1 times [2021-11-17 10:05:12,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:05:12,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903201654] [2021-11-17 10:05:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:05:12,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:05:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:05:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 10:05:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 10:05:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 10:05:12,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:12,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903201654] [2021-11-17 10:05:12,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903201654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:12,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:12,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:12,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378734078] [2021-11-17 10:05:12,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:12,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:12,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:12,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:12,879 INFO L87 Difference]: Start difference. First operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-17 10:05:14,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:05:20,879 INFO L93 Difference]: Finished difference Result 8909 states and 12718 transitions. [2021-11-17 10:05:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:05:20,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2021-11-17 10:05:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:05:20,928 INFO L225 Difference]: With dead ends: 8909 [2021-11-17 10:05:20,928 INFO L226 Difference]: Without dead ends: 5743 [2021-11-17 10:05:20,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:05:20,948 INFO L933 BasicCegarLoop]: 4269 mSDtfsCounter, 4830 mSDsluCounter, 4391 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 2769 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 8660 SdHoareTripleChecker+Invalid, 5857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2769 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-17 10:05:20,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5489 Valid, 8660 Invalid, 5857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2769 Valid, 3087 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-17 10:05:20,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5743 states. [2021-11-17 10:05:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5743 to 5558. [2021-11-17 10:05:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5558 states, 3728 states have (on average 1.2553648068669527) internal successors, (4680), 3797 states have internal predecessors, (4680), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2021-11-17 10:05:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2021-11-17 10:05:21,272 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2021-11-17 10:05:21,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:05:21,273 INFO L470 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2021-11-17 10:05:21,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-17 10:05:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2021-11-17 10:05:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-17 10:05:21,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:05:21,280 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:05:21,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 10:05:21,280 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:05:21,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:05:21,281 INFO L85 PathProgramCache]: Analyzing trace with hash 865692571, now seen corresponding path program 1 times [2021-11-17 10:05:21,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:05:21,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362797658] [2021-11-17 10:05:21,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:05:21,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:05:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:05:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 10:05:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 10:05:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 10:05:21,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:21,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362797658] [2021-11-17 10:05:21,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362797658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:21,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:21,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:21,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544817839] [2021-11-17 10:05:21,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:21,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:21,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:21,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:21,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:21,766 INFO L87 Difference]: Start difference. First operand 5558 states and 7702 transitions. 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-17 10:05:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:05:28,221 INFO L93 Difference]: Finished difference Result 16333 states and 22742 transitions. [2021-11-17 10:05:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:05:28,221 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 229 [2021-11-17 10:05:28,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:05:28,335 INFO L225 Difference]: With dead ends: 16333 [2021-11-17 10:05:28,335 INFO L226 Difference]: Without dead ends: 10812 [2021-11-17 10:05:28,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:05:28,352 INFO L933 BasicCegarLoop]: 5394 mSDtfsCounter, 4546 mSDsluCounter, 4568 mSDsCounter, 0 mSdLazyCounter, 3212 mSolverCounterSat, 2433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5258 SdHoareTripleChecker+Valid, 9962 SdHoareTripleChecker+Invalid, 5645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2433 IncrementalHoareTripleChecker+Valid, 3212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:05:28,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5258 Valid, 9962 Invalid, 5645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2433 Valid, 3212 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-11-17 10:05:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10812 states. [2021-11-17 10:05:28,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10812 to 10447. [2021-11-17 10:05:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10447 states, 6985 states have (on average 1.2506800286327846) internal successors, (8736), 7118 states have internal predecessors, (8736), 2845 states have call successors, (2845), 616 states have call predecessors, (2845), 616 states have return successors, (2845), 2804 states have call predecessors, (2845), 2845 states have call successors, (2845) [2021-11-17 10:05:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10447 states to 10447 states and 14426 transitions. [2021-11-17 10:05:28,705 INFO L78 Accepts]: Start accepts. Automaton has 10447 states and 14426 transitions. Word has length 229 [2021-11-17 10:05:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:05:28,707 INFO L470 AbstractCegarLoop]: Abstraction has 10447 states and 14426 transitions. [2021-11-17 10:05:28,708 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-17 10:05:28,708 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states and 14426 transitions. [2021-11-17 10:05:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-17 10:05:28,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:05:28,714 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2021-11-17 10:05:28,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 10:05:28,714 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:05:28,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:05:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1185039122, now seen corresponding path program 1 times [2021-11-17 10:05:28,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:05:28,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700054084] [2021-11-17 10:05:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:05:28,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:05:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:05:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 10:05:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:05:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:05:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 10:05:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:05:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-11-17 10:05:29,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:29,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700054084] [2021-11-17 10:05:29,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700054084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:29,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:29,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:29,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003306923] [2021-11-17 10:05:29,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:29,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:29,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:29,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:29,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:29,194 INFO L87 Difference]: Start difference. First operand 10447 states and 14426 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 10:05:31,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:33,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:38,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:05:38,626 INFO L93 Difference]: Finished difference Result 31289 states and 43404 transitions. [2021-11-17 10:05:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:05:38,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2021-11-17 10:05:38,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:05:38,729 INFO L225 Difference]: With dead ends: 31289 [2021-11-17 10:05:38,729 INFO L226 Difference]: Without dead ends: 20879 [2021-11-17 10:05:38,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:05:38,779 INFO L933 BasicCegarLoop]: 5665 mSDtfsCounter, 4678 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 3143 mSolverCounterSat, 2388 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5409 SdHoareTripleChecker+Valid, 10463 SdHoareTripleChecker+Invalid, 5533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2388 IncrementalHoareTripleChecker+Valid, 3143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:05:38,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5409 Valid, 10463 Invalid, 5533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2388 Valid, 3143 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2021-11-17 10:05:38,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20879 states. [2021-11-17 10:05:39,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20879 to 20199. [2021-11-17 10:05:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 13526 states have (on average 1.2501848292178028) internal successors, (16910), 13794 states have internal predecessors, (16910), 5478 states have call successors, (5478), 1194 states have call predecessors, (5478), 1194 states have return successors, (5478), 5393 states have call predecessors, (5478), 5478 states have call successors, (5478) [2021-11-17 10:05:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 27866 transitions. [2021-11-17 10:05:39,490 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 27866 transitions. Word has length 256 [2021-11-17 10:05:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:05:39,491 INFO L470 AbstractCegarLoop]: Abstraction has 20199 states and 27866 transitions. [2021-11-17 10:05:39,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 10:05:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 27866 transitions. [2021-11-17 10:05:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-17 10:05:39,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:05:39,501 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 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] [2021-11-17 10:05:39,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 10:05:39,501 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:05:39,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:05:39,502 INFO L85 PathProgramCache]: Analyzing trace with hash -128440568, now seen corresponding path program 1 times [2021-11-17 10:05:39,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:05:39,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941251388] [2021-11-17 10:05:39,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:05:39,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:05:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:05:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:05:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:05:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 10:05:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:05:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:40,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:05:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 10:05:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:40,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:05:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2021-11-17 10:05:40,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:40,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941251388] [2021-11-17 10:05:40,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941251388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:40,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:40,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:40,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498261778] [2021-11-17 10:05:40,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:40,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:40,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:40,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:40,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:40,032 INFO L87 Difference]: Start difference. First operand 20199 states and 27866 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 10:05:42,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:46,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:05:46,379 INFO L93 Difference]: Finished difference Result 42745 states and 59095 transitions. [2021-11-17 10:05:46,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:05:46,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2021-11-17 10:05:46,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:05:46,472 INFO L225 Difference]: With dead ends: 42745 [2021-11-17 10:05:46,472 INFO L226 Difference]: Without dead ends: 22583 [2021-11-17 10:05:46,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:05:46,536 INFO L933 BasicCegarLoop]: 4449 mSDtfsCounter, 3166 mSDsluCounter, 4381 mSDsCounter, 0 mSdLazyCounter, 2662 mSolverCounterSat, 1950 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 8830 SdHoareTripleChecker+Invalid, 4613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 2662 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:05:46,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 8830 Invalid, 4613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 2662 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2021-11-17 10:05:46,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22583 states. [2021-11-17 10:05:47,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22583 to 21873. [2021-11-17 10:05:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21873 states, 14668 states have (on average 1.2488410144532316) internal successors, (18318), 14955 states have internal predecessors, (18318), 5892 states have call successors, (5892), 1312 states have call predecessors, (5892), 1312 states have return successors, (5892), 5804 states have call predecessors, (5892), 5892 states have call successors, (5892) [2021-11-17 10:05:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 30102 transitions. [2021-11-17 10:05:47,346 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 30102 transitions. Word has length 276 [2021-11-17 10:05:47,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:05:47,346 INFO L470 AbstractCegarLoop]: Abstraction has 21873 states and 30102 transitions. [2021-11-17 10:05:47,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 10:05:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 30102 transitions. [2021-11-17 10:05:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-17 10:05:47,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:05:47,358 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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] [2021-11-17 10:05:47,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 10:05:47,359 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:05:47,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:05:47,359 INFO L85 PathProgramCache]: Analyzing trace with hash -597361833, now seen corresponding path program 1 times [2021-11-17 10:05:47,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:05:47,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663571950] [2021-11-17 10:05:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:05:47,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:05:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:05:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 10:05:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:05:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 10:05:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:05:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 10:05:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 10:05:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:05:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 10:05:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 10:05:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-11-17 10:05:47,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:47,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663571950] [2021-11-17 10:05:47,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663571950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:47,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:47,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:47,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883195970] [2021-11-17 10:05:47,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:47,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:47,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:47,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:47,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:47,871 INFO L87 Difference]: Start difference. First operand 21873 states and 30102 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 10:05:50,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:05:55,065 INFO L93 Difference]: Finished difference Result 51889 states and 71695 transitions. [2021-11-17 10:05:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:05:55,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2021-11-17 10:05:55,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:05:55,198 INFO L225 Difference]: With dead ends: 51889 [2021-11-17 10:05:55,198 INFO L226 Difference]: Without dead ends: 31641 [2021-11-17 10:05:55,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:05:55,264 INFO L933 BasicCegarLoop]: 5590 mSDtfsCounter, 4249 mSDsluCounter, 4905 mSDsCounter, 0 mSdLazyCounter, 3017 mSolverCounterSat, 2345 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4883 SdHoareTripleChecker+Valid, 10495 SdHoareTripleChecker+Invalid, 5363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2345 IncrementalHoareTripleChecker+Valid, 3017 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:05:55,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4883 Valid, 10495 Invalid, 5363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2345 Valid, 3017 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2021-11-17 10:05:55,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31641 states. [2021-11-17 10:05:56,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31641 to 30621. [2021-11-17 10:05:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30621 states, 20554 states have (on average 1.247834971295125) internal successors, (25648), 20951 states have internal predecessors, (25648), 8214 states have call successors, (8214), 1852 states have call predecessors, (8214), 1852 states have return successors, (8214), 8091 states have call predecessors, (8214), 8214 states have call successors, (8214) [2021-11-17 10:05:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30621 states to 30621 states and 42076 transitions. [2021-11-17 10:05:56,386 INFO L78 Accepts]: Start accepts. Automaton has 30621 states and 42076 transitions. Word has length 292 [2021-11-17 10:05:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:05:56,386 INFO L470 AbstractCegarLoop]: Abstraction has 30621 states and 42076 transitions. [2021-11-17 10:05:56,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 10:05:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30621 states and 42076 transitions. [2021-11-17 10:05:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-17 10:05:56,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:05:56,407 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:05:56,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 10:05:56,407 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:05:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:05:56,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1833932343, now seen corresponding path program 1 times [2021-11-17 10:05:56,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:05:56,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209300000] [2021-11-17 10:05:56,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:05:56,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:05:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:05:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 10:05:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:05:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 10:05:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 10:05:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 10:05:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 10:05:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 10:05:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 10:05:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 10:05:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:05:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:05:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:05:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 10:05:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-11-17 10:05:56,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:56,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209300000] [2021-11-17 10:05:56,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209300000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:56,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:56,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:56,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638848077] [2021-11-17 10:05:56,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:56,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:56,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:56,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:56,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:56,839 INFO L87 Difference]: Start difference. First operand 30621 states and 42076 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 10:05:58,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:06:00,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:06:06,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:06:06,728 INFO L93 Difference]: Finished difference Result 90063 states and 124361 transitions. [2021-11-17 10:06:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:06:06,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2021-11-17 10:06:06,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:06:07,080 INFO L225 Difference]: With dead ends: 90063 [2021-11-17 10:06:07,081 INFO L226 Difference]: Without dead ends: 61067 [2021-11-17 10:06:07,179 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 [2021-11-17 10:06:07,181 INFO L933 BasicCegarLoop]: 7039 mSDtfsCounter, 4310 mSDsluCounter, 5463 mSDsCounter, 0 mSdLazyCounter, 3124 mSolverCounterSat, 2102 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5046 SdHoareTripleChecker+Valid, 12502 SdHoareTripleChecker+Invalid, 5228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2102 IncrementalHoareTripleChecker+Valid, 3124 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-17 10:06:07,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5046 Valid, 12502 Invalid, 5228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2102 Valid, 3124 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2021-11-17 10:06:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61067 states. [2021-11-17 10:06:08,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61067 to 59075. [2021-11-17 10:06:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59075 states, 39642 states have (on average 1.2481711316280713) internal successors, (49480), 40397 states have internal predecessors, (49480), 15860 states have call successors, (15860), 3572 states have call predecessors, (15860), 3572 states have return successors, (15860), 15637 states have call predecessors, (15860), 15860 states have call successors, (15860) [2021-11-17 10:06:09,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59075 states to 59075 states and 81200 transitions. [2021-11-17 10:06:09,149 INFO L78 Accepts]: Start accepts. Automaton has 59075 states and 81200 transitions. Word has length 332 [2021-11-17 10:06:09,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:06:09,150 INFO L470 AbstractCegarLoop]: Abstraction has 59075 states and 81200 transitions. [2021-11-17 10:06:09,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 10:06:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 59075 states and 81200 transitions. [2021-11-17 10:06:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-17 10:06:09,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:06:09,171 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:06:09,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 10:06:09,172 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:06:09,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:06:09,172 INFO L85 PathProgramCache]: Analyzing trace with hash -859963847, now seen corresponding path program 1 times [2021-11-17 10:06:09,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:06:09,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352413246] [2021-11-17 10:06:09,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:06:09,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:06:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:06:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:06:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:06:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:06:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:06:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:06:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:06:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:06:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:06:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:06:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:06:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:06:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:06:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:06:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:06:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:06:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:06:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 10:06:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:06:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 10:06:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 10:06:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 10:06:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 10:06:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 10:06:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 10:06:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 10:06:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:06:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:06:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:06:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 10:06:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-11-17 10:06:09,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:06:09,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352413246] [2021-11-17 10:06:09,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352413246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:06:09,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:06:09,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:06:09,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933785479] [2021-11-17 10:06:09,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:06:09,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:06:09,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:06:09,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:06:09,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:06:09,678 INFO L87 Difference]: Start difference. First operand 59075 states and 81200 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 10:06:16,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:06:16,746 INFO L93 Difference]: Finished difference Result 147959 states and 204217 transitions. [2021-11-17 10:06:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:06:16,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2021-11-17 10:06:16,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:06:17,296 INFO L225 Difference]: With dead ends: 147959 [2021-11-17 10:06:17,296 INFO L226 Difference]: Without dead ends: 90425 [2021-11-17 10:06:17,462 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 [2021-11-17 10:06:17,463 INFO L933 BasicCegarLoop]: 7568 mSDtfsCounter, 4225 mSDsluCounter, 5752 mSDsCounter, 0 mSdLazyCounter, 3161 mSolverCounterSat, 1968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4958 SdHoareTripleChecker+Valid, 13320 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1968 IncrementalHoareTripleChecker+Valid, 3161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-17 10:06:17,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4958 Valid, 13320 Invalid, 5129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1968 Valid, 3161 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-11-17 10:06:17,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90425 states. [2021-11-17 10:06:19,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90425 to 87457. [2021-11-17 10:06:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87457 states, 58658 states have (on average 1.248388966551877) internal successors, (73228), 59771 states have internal predecessors, (73228), 23506 states have call successors, (23506), 5292 states have call predecessors, (23506), 5292 states have return successors, (23506), 23183 states have call predecessors, (23506), 23506 states have call successors, (23506) [2021-11-17 10:06:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87457 states to 87457 states and 120240 transitions. [2021-11-17 10:06:20,570 INFO L78 Accepts]: Start accepts. Automaton has 87457 states and 120240 transitions. Word has length 332 [2021-11-17 10:06:20,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:06:20,571 INFO L470 AbstractCegarLoop]: Abstraction has 87457 states and 120240 transitions. [2021-11-17 10:06:20,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 10:06:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 87457 states and 120240 transitions. [2021-11-17 10:06:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-17 10:06:20,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:06:20,601 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:06:20,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 10:06:20,602 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:06:20,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:06:20,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1226465502, now seen corresponding path program 1 times [2021-11-17 10:06:20,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:06:20,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214738170] [2021-11-17 10:06:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:06:20,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:06:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:06:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:06:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:06:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:06:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:06:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:06:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:06:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:06:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:06:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:06:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:06:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:06:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:06:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:06:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:06:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:06:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:06:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 10:06:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:06:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 10:06:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 10:06:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 10:06:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 10:06:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:06:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 10:06:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 10:06:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 10:06:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 10:06:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 10:06:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:06:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:06:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 10:06:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 10:06:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2021-11-17 10:06:21,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:06:21,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214738170] [2021-11-17 10:06:21,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214738170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:06:21,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:06:21,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:06:21,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553886364] [2021-11-17 10:06:21,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:06:21,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:06:21,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:06:21,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:06:21,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:06:21,235 INFO L87 Difference]: Start difference. First operand 87457 states and 120240 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 10:06:23,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:06:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:06:31,575 INFO L93 Difference]: Finished difference Result 205651 states and 283809 transitions. [2021-11-17 10:06:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:06:31,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 356 [2021-11-17 10:06:31,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:06:32,188 INFO L225 Difference]: With dead ends: 205651 [2021-11-17 10:06:32,188 INFO L226 Difference]: Without dead ends: 119783 [2021-11-17 10:06:32,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:06:32,653 INFO L933 BasicCegarLoop]: 7565 mSDtfsCounter, 4224 mSDsluCounter, 5752 mSDsCounter, 0 mSdLazyCounter, 3152 mSolverCounterSat, 1966 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4960 SdHoareTripleChecker+Valid, 13317 SdHoareTripleChecker+Invalid, 5119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1966 IncrementalHoareTripleChecker+Valid, 3152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-17 10:06:32,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4960 Valid, 13317 Invalid, 5119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1966 Valid, 3152 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-11-17 10:06:32,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119783 states. [2021-11-17 10:06:35,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119783 to 87457. [2021-11-17 10:06:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87457 states, 58658 states have (on average 1.248388966551877) internal successors, (73228), 59771 states have internal predecessors, (73228), 23506 states have call successors, (23506), 5292 states have call predecessors, (23506), 5292 states have return successors, (23506), 23183 states have call predecessors, (23506), 23506 states have call successors, (23506) [2021-11-17 10:06:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87457 states to 87457 states and 120240 transitions. [2021-11-17 10:06:36,399 INFO L78 Accepts]: Start accepts. Automaton has 87457 states and 120240 transitions. Word has length 356 [2021-11-17 10:06:36,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:06:36,400 INFO L470 AbstractCegarLoop]: Abstraction has 87457 states and 120240 transitions. [2021-11-17 10:06:36,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 10:06:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 87457 states and 120240 transitions. [2021-11-17 10:06:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-17 10:06:36,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:06:36,433 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:06:36,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 10:06:36,434 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:06:36,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:06:36,434 INFO L85 PathProgramCache]: Analyzing trace with hash 374605604, now seen corresponding path program 1 times [2021-11-17 10:06:36,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:06:36,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4474776] [2021-11-17 10:06:36,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:06:36,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:06:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:06:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:06:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:06:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:06:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:06:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:06:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:06:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:06:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:06:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:06:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:06:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:06:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:06:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:06:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:06:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:06:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:06:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 10:06:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:06:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 10:06:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 10:06:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 10:06:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 10:06:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:06:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 10:06:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 10:06:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 10:06:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 10:06:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 10:06:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:06:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:06:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 10:06:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 10:06:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2021-11-17 10:06:36,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:06:36,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4474776] [2021-11-17 10:06:36,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4474776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:06:36,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:06:36,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:06:36,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806915348] [2021-11-17 10:06:36,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:06:36,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:06:36,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:06:36,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:06:36,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:06:36,941 INFO L87 Difference]: Start difference. First operand 87457 states and 120240 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:06:39,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:06:41,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:06:49,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:06:49,871 INFO L93 Difference]: Finished difference Result 218695 states and 301958 transitions. [2021-11-17 10:06:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:06:49,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2021-11-17 10:06:49,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:06:50,536 INFO L225 Difference]: With dead ends: 218695 [2021-11-17 10:06:50,536 INFO L226 Difference]: Without dead ends: 132863 [2021-11-17 10:06:50,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:06:50,811 INFO L933 BasicCegarLoop]: 7515 mSDtfsCounter, 4170 mSDsluCounter, 5693 mSDsCounter, 0 mSdLazyCounter, 3187 mSolverCounterSat, 1971 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4902 SdHoareTripleChecker+Valid, 13208 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1971 IncrementalHoareTripleChecker+Valid, 3187 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:06:50,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4902 Valid, 13208 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1971 Valid, 3187 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2021-11-17 10:06:50,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132863 states. [2021-11-17 10:06:54,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132863 to 128563. [2021-11-17 10:06:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128563 states, 86279 states have (on average 1.2483570741431866) internal successors, (107707), 87930 states have internal predecessors, (107707), 34510 states have call successors, (34510), 7773 states have call predecessors, (34510), 7773 states have return successors, (34510), 34033 states have call predecessors, (34510), 34510 states have call successors, (34510) [2021-11-17 10:06:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128563 states to 128563 states and 176727 transitions. [2021-11-17 10:06:55,532 INFO L78 Accepts]: Start accepts. Automaton has 128563 states and 176727 transitions. Word has length 356 [2021-11-17 10:06:55,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:06:55,532 INFO L470 AbstractCegarLoop]: Abstraction has 128563 states and 176727 transitions. [2021-11-17 10:06:55,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:06:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 128563 states and 176727 transitions. [2021-11-17 10:06:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-11-17 10:06:55,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:06:55,558 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:06:55,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 10:06:55,559 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:06:55,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:06:55,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1100829489, now seen corresponding path program 1 times [2021-11-17 10:06:55,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:06:55,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399695346] [2021-11-17 10:06:55,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:06:55,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:06:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:06:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:06:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:06:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:06:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:06:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:06:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:06:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:06:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:06:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:06:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:06:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:06:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:06:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:06:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:06:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:06:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:06:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 10:06:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:06:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 10:06:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:06:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 10:06:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 10:06:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:06:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 10:06:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:06:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:06:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:06:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:06:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:06:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:06:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 10:06:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 10:06:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 10:06:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 10:06:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:06:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-17 10:06:56,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:06:56,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399695346] [2021-11-17 10:06:56,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399695346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:06:56,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:06:56,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:06:56,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355451833] [2021-11-17 10:06:56,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:06:56,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:06:56,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:06:56,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:06:56,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:06:56,317 INFO L87 Difference]: Start difference. First operand 128563 states and 176727 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:06:58,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []