./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-neterion-vxge-vxge.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-neterion-vxge-vxge.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 7ed5e925b04af21fe7e1f8d9dfd2ab6bf2fd95270990498828fd7a626dd4adac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 10:13:53,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:13:53,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:13:53,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:13:53,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:13:53,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:13:53,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:13:53,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:13:53,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:13:53,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:13:53,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:13:53,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:13:53,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:13:53,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:13:53,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:13:53,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:13:53,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:13:53,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:13:53,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:13:53,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:13:53,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:13:53,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:13:53,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:13:53,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:13:53,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:13:53,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:13:53,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:13:53,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:13:53,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:13:53,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:13:53,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:13:53,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:13:53,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:13:53,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:13:53,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:13:53,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:13:53,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:13:53,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:13:53,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:13:53,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:13:53,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:13:53,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:13:53,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:13:53,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:13:53,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:13:53,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:13:53,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:13:53,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:13:53,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:13:53,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:13:53,807 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:13:53,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:13:53,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:13:53,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:13:53,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:13:53,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:13:53,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:13:53,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:13:53,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:13:53,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:13:53,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:13:53,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:13:53,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:13:53,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:13:53,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:13:53,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:13:53,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:13:53,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:13:53,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:13:53,810 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:13:53,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:13:53,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:13:53,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:13:53,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ed5e925b04af21fe7e1f8d9dfd2ab6bf2fd95270990498828fd7a626dd4adac [2021-11-17 10:13:53,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:13:53,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:13:53,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:13:54,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:13:54,001 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:13:54,002 INFO L432 ainManager$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-neterion-vxge-vxge.cil.i [2021-11-17 10:13:54,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4092a09e4/17d0bf1c607148ab8b33e84a5cdd8108/FLAG990c42d9c [2021-11-17 10:13:54,836 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:13:54,837 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-neterion-vxge-vxge.cil.i [2021-11-17 10:13:54,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4092a09e4/17d0bf1c607148ab8b33e84a5cdd8108/FLAG990c42d9c [2021-11-17 10:13:55,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4092a09e4/17d0bf1c607148ab8b33e84a5cdd8108 [2021-11-17 10:13:55,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:13:55,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:13:55,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:13:55,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:13:55,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:13:55,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:13:55" (1/1) ... [2021-11-17 10:13:55,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e334afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:13:55, skipping insertion in model container [2021-11-17 10:13:55,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:13:55" (1/1) ... [2021-11-17 10:13:55,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:13:55,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:14:03,965 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-neterion-vxge-vxge.cil.i[869223,869236] [2021-11-17 10:14:03,971 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-neterion-vxge-vxge.cil.i[869368,869381] [2021-11-17 10:14:04,007 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:14:04,033 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:14:04,633 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-neterion-vxge-vxge.cil.i[869223,869236] [2021-11-17 10:14:04,634 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-neterion-vxge-vxge.cil.i[869368,869381] [2021-11-17 10:14:04,640 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:14:04,872 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:14:04,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04 WrapperNode [2021-11-17 10:14:04,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:14:04,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:14:04,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:14:04,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:14:04,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:05,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:05,625 INFO L137 Inliner]: procedures = 844, calls = 7930, calls flagged for inlining = 398, calls inlined = 383, statements flattened = 19700 [2021-11-17 10:14:05,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:14:05,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:14:05,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:14:05,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:14:05,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:05,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:05,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:05,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:06,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:06,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:06,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:06,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:14:06,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:14:06,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:14:06,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:14:06,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (1/1) ... [2021-11-17 10:14:06,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:14:06,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:14:06,507 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 10:14:06,553 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 10:14:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2021-11-17 10:14:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2021-11-17 10:14:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2021-11-17 10:14:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2021-11-17 10:14:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-17 10:14:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-17 10:14:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 10:14:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 10:14:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2021-11-17 10:14:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2021-11-17 10:14:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-17 10:14:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-17 10:14:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2021-11-17 10:14:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2021-11-17 10:14:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2021-11-17 10:14:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2021-11-17 10:14:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2021-11-17 10:14:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2021-11-17 10:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2021-11-17 10:14:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2021-11-17 10:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2021-11-17 10:14:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2021-11-17 10:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2021-11-17 10:14:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2021-11-17 10:14:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 10:14:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 10:14:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 10:14:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 10:14:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-17 10:14:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-17 10:14:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2021-11-17 10:14:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2021-11-17 10:14:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2021-11-17 10:14:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2021-11-17 10:14:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2021-11-17 10:14:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2021-11-17 10:14:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2021-11-17 10:14:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2021-11-17 10:14:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2021-11-17 10:14:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2021-11-17 10:14:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2021-11-17 10:14:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2021-11-17 10:14:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2021-11-17 10:14:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2021-11-17 10:14:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2021-11-17 10:14:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2021-11-17 10:14:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 10:14:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 10:14:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2021-11-17 10:14:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2021-11-17 10:14:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 10:14:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 10:14:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 10:14:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 10:14:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2021-11-17 10:14:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2021-11-17 10:14:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 10:14:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 10:14:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2021-11-17 10:14:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2021-11-17 10:14:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 10:14:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 10:14:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2021-11-17 10:14:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2021-11-17 10:14:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 10:14:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 10:14:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-17 10:14:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-17 10:14:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 10:14:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 10:14:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2021-11-17 10:14:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2021-11-17 10:14:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2021-11-17 10:14:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2021-11-17 10:14:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2021-11-17 10:14:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2021-11-17 10:14:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:14:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:14:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2021-11-17 10:14:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2021-11-17 10:14:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:14:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:14:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:14:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2021-11-17 10:14:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2021-11-17 10:14:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-17 10:14:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-17 10:14:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 10:14:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 10:14:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2021-11-17 10:14:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2021-11-17 10:14:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2021-11-17 10:14:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2021-11-17 10:14:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2021-11-17 10:14:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2021-11-17 10:14:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 10:14:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 10:14:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 10:14:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 10:14:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2021-11-17 10:14:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2021-11-17 10:14:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 10:14:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 10:14:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2021-11-17 10:14:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2021-11-17 10:14:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2021-11-17 10:14:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2021-11-17 10:14:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:14:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 10:14:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 10:14:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 10:14:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 10:14:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 10:14:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-17 10:14:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-17 10:14:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-17 10:14:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 10:14:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 10:14:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:14:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:14:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:14:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2021-11-17 10:14:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2021-11-17 10:14:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 10:14:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 10:14:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:14:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 10:14:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 10:14:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 10:14:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 10:14:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 10:14:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 10:14:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 10:14:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 10:14:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 10:14:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-17 10:14:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-17 10:14:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2021-11-17 10:14:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2021-11-17 10:14:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2021-11-17 10:14:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2021-11-17 10:14:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2021-11-17 10:14:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2021-11-17 10:14:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2021-11-17 10:14:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2021-11-17 10:14:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2021-11-17 10:14:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2021-11-17 10:14:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 10:14:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 10:14:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2021-11-17 10:14:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2021-11-17 10:14:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2021-11-17 10:14:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2021-11-17 10:14:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 10:14:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 10:14:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2021-11-17 10:14:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2021-11-17 10:14:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2021-11-17 10:14:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2021-11-17 10:14:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2021-11-17 10:14:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2021-11-17 10:14:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2021-11-17 10:14:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2021-11-17 10:14:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 10:14:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 10:14:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2021-11-17 10:14:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2021-11-17 10:14:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2021-11-17 10:14:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2021-11-17 10:14:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:14:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:14:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2021-11-17 10:14:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2021-11-17 10:14:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2021-11-17 10:14:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2021-11-17 10:14:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 10:14:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 10:14:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2021-11-17 10:14:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2021-11-17 10:14:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 10:14:06,614 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 10:14:06,614 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 10:14:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2021-11-17 10:14:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2021-11-17 10:14:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 10:14:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 10:14:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 10:14:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 10:14:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2021-11-17 10:14:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2021-11-17 10:14:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 10:14:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2021-11-17 10:14:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2021-11-17 10:14:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2021-11-17 10:14:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2021-11-17 10:14:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 10:14:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 10:14:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2021-11-17 10:14:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2021-11-17 10:14:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2021-11-17 10:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2021-11-17 10:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 10:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 10:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 10:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 10:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-17 10:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-17 10:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 10:14:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 10:14:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2021-11-17 10:14:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2021-11-17 10:14:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 10:14:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 10:14:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:14:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2021-11-17 10:14:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2021-11-17 10:14:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 10:14:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 10:14:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2021-11-17 10:14:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2021-11-17 10:14:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:14:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:14:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:14:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2021-11-17 10:14:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2021-11-17 10:14:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2021-11-17 10:14:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2021-11-17 10:14:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2021-11-17 10:14:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2021-11-17 10:14:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2021-11-17 10:14:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2021-11-17 10:14:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 10:14:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 10:14:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 10:14:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 10:14:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-17 10:14:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-17 10:14:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:14:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:14:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2021-11-17 10:14:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2021-11-17 10:14:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2021-11-17 10:14:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2021-11-17 10:14:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2021-11-17 10:14:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2021-11-17 10:14:06,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 10:14:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 10:14:06,626 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2021-11-17 10:14:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2021-11-17 10:14:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2021-11-17 10:14:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2021-11-17 10:14:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2021-11-17 10:14:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2021-11-17 10:14:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2021-11-17 10:14:06,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2021-11-17 10:14:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 10:14:06,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 10:14:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2021-11-17 10:14:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2021-11-17 10:14:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-17 10:14:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-17 10:14:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2021-11-17 10:14:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2021-11-17 10:14:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-17 10:14:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-17 10:14:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 10:14:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 10:14:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2021-11-17 10:14:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2021-11-17 10:14:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-11-17 10:14:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-11-17 10:14:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-17 10:14:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-17 10:14:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2021-11-17 10:14:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2021-11-17 10:14:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 10:14:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 10:14:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:14:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-17 10:14:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-17 10:14:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:14:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:14:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-11-17 10:14:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-11-17 10:14:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2021-11-17 10:14:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2021-11-17 10:14:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2021-11-17 10:14:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2021-11-17 10:14:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-17 10:14:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-17 10:14:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2021-11-17 10:14:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2021-11-17 10:14:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2021-11-17 10:14:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2021-11-17 10:14:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2021-11-17 10:14:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2021-11-17 10:14:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2021-11-17 10:14:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2021-11-17 10:14:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 10:14:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 10:14:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2021-11-17 10:14:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2021-11-17 10:14:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2021-11-17 10:14:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2021-11-17 10:14:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2021-11-17 10:14:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2021-11-17 10:14:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:14:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:14:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2021-11-17 10:14:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2021-11-17 10:14:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2021-11-17 10:14:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2021-11-17 10:14:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:14:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:14:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_115 [2021-11-17 10:14:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_115 [2021-11-17 10:14:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2021-11-17 10:14:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2021-11-17 10:14:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2021-11-17 10:14:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2021-11-17 10:14:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2021-11-17 10:14:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2021-11-17 10:14:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2021-11-17 10:14:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2021-11-17 10:14:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2021-11-17 10:14:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2021-11-17 10:14:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2021-11-17 10:14:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2021-11-17 10:14:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 10:14:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 10:14:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2021-11-17 10:14:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2021-11-17 10:14:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2021-11-17 10:14:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2021-11-17 10:14:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:14:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:14:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:14:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:14:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2021-11-17 10:14:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2021-11-17 10:14:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-17 10:14:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-17 10:14:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:14:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:14:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 10:14:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 10:14:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 10:14:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 10:14:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2021-11-17 10:14:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2021-11-17 10:14:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-17 10:14:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-17 10:14:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 10:14:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 10:14:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-17 10:14:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-17 10:14:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2021-11-17 10:14:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2021-11-17 10:14:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2021-11-17 10:14:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2021-11-17 10:14:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2021-11-17 10:14:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2021-11-17 10:14:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 10:14:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 10:14:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2021-11-17 10:14:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2021-11-17 10:14:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2021-11-17 10:14:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2021-11-17 10:14:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2021-11-17 10:14:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2021-11-17 10:14:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:14:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:14:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 10:14:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 10:14:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 10:14:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 10:14:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:14:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:14:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:14:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-11-17 10:14:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-11-17 10:14:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 10:14:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 10:14:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 10:14:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 10:14:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2021-11-17 10:14:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2021-11-17 10:14:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 10:14:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 10:14:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 10:14:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 10:14:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 10:14:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2021-11-17 10:14:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2021-11-17 10:14:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2021-11-17 10:14:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2021-11-17 10:14:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2021-11-17 10:14:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2021-11-17 10:14:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-17 10:14:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-17 10:14:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 10:14:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 10:14:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 10:14:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 10:14:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 10:14:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 10:14:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 10:14:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 10:14:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 10:14:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 10:14:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 10:14:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2021-11-17 10:14:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2021-11-17 10:14:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2021-11-17 10:14:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2021-11-17 10:14:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 10:14:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 10:14:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2021-11-17 10:14:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2021-11-17 10:14:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 10:14:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 10:14:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 10:14:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 10:14:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2021-11-17 10:14:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2021-11-17 10:14:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2021-11-17 10:14:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2021-11-17 10:14:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2021-11-17 10:14:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2021-11-17 10:14:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2021-11-17 10:14:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2021-11-17 10:14:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2021-11-17 10:14:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2021-11-17 10:14:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2021-11-17 10:14:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2021-11-17 10:14:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 10:14:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 10:14:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:14:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:14:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2021-11-17 10:14:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2021-11-17 10:14:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:14:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:14:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 10:14:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 10:14:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2021-11-17 10:14:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2021-11-17 10:14:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2021-11-17 10:14:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2021-11-17 10:14:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2021-11-17 10:14:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2021-11-17 10:14:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2021-11-17 10:14:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2021-11-17 10:14:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 10:14:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 10:14:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 10:14:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 10:14:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-17 10:14:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-17 10:14:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 10:14:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 10:14:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2021-11-17 10:14:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2021-11-17 10:14:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 10:14:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 10:14:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2021-11-17 10:14:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2021-11-17 10:14:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2021-11-17 10:14:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2021-11-17 10:14:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-17 10:14:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-17 10:14:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2021-11-17 10:14:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2021-11-17 10:14:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2021-11-17 10:14:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2021-11-17 10:14:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2021-11-17 10:14:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2021-11-17 10:14:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 10:14:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:14:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:14:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2021-11-17 10:14:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2021-11-17 10:14:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 10:14:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 10:14:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-11-17 10:14:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-11-17 10:14:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 10:14:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 10:14:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-17 10:14:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-17 10:14:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2021-11-17 10:14:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2021-11-17 10:14:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2021-11-17 10:14:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2021-11-17 10:14:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-17 10:14:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-17 10:14:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 10:14:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 10:14:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2021-11-17 10:14:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2021-11-17 10:14:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2021-11-17 10:14:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2021-11-17 10:14:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2021-11-17 10:14:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2021-11-17 10:14:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 10:14:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 10:14:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 10:14:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 10:14:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 10:14:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 10:14:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_113 [2021-11-17 10:14:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_113 [2021-11-17 10:14:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2021-11-17 10:14:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2021-11-17 10:14:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2021-11-17 10:14:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2021-11-17 10:14:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2021-11-17 10:14:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2021-11-17 10:14:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:14:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 10:14:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 10:14:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2021-11-17 10:14:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2021-11-17 10:14:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 10:14:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 10:14:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 10:14:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 10:14:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:14:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:14:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 10:14:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 10:14:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2021-11-17 10:14:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2021-11-17 10:14:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-11-17 10:14:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-11-17 10:14:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2021-11-17 10:14:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2021-11-17 10:14:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 10:14:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 10:14:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 10:14:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 10:14:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 10:14:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 10:14:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-17 10:14:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-17 10:14:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2021-11-17 10:14:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2021-11-17 10:14:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 10:14:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 10:14:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2021-11-17 10:14:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2021-11-17 10:14:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2021-11-17 10:14:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2021-11-17 10:14:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-17 10:14:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-17 10:14:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:14:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:14:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 10:14:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 10:14:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-17 10:14:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-17 10:14:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-17 10:14:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-17 10:14:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2021-11-17 10:14:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2021-11-17 10:14:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 10:14:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 10:14:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2021-11-17 10:14:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2021-11-17 10:14:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-17 10:14:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-17 10:14:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2021-11-17 10:14:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2021-11-17 10:14:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2021-11-17 10:14:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2021-11-17 10:14:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-17 10:14:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-17 10:14:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:14:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:14:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2021-11-17 10:14:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2021-11-17 10:14:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 10:14:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 10:14:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 10:14:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 10:14:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2021-11-17 10:14:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2021-11-17 10:14:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:14:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-17 10:14:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-17 10:14:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:14:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:14:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-17 10:14:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-17 10:14:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-17 10:14:08,237 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:14:08,240 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:14:12,690 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 10:19:57,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 10:19:57,984 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 10:19:58,028 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 10:19:58,029 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-17 10:19:58,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:19:58 BoogieIcfgContainer [2021-11-17 10:19:58,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 10:19:58,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 10:19:58,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 10:19:58,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 10:19:58,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:13:55" (1/3) ... [2021-11-17 10:19:58,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2553cabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:19:58, skipping insertion in model container [2021-11-17 10:19:58,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:14:04" (2/3) ... [2021-11-17 10:19:58,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2553cabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:19:58, skipping insertion in model container [2021-11-17 10:19:58,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:19:58" (3/3) ... [2021-11-17 10:19:58,042 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-17 10:19:58,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 10:19:58,045 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-17 10:19:58,096 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 10:19:58,102 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 10:19:58,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-17 10:19:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 6110 states, 4386 states have (on average 1.3342453260373917) internal successors, (5852), 4464 states have internal predecessors, (5852), 1437 states have call successors, (1437), 288 states have call predecessors, (1437), 287 states have return successors, (1428), 1408 states have call predecessors, (1428), 1428 states have call successors, (1428) [2021-11-17 10:19:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-17 10:19:58,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:19:58,211 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:19:58,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:19:58,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:19:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1187073579, now seen corresponding path program 1 times [2021-11-17 10:19:58,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:19:58,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58079840] [2021-11-17 10:19:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:19:58,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:19:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:19:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:19:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:19:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:19:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:19:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:19:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:19:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:19:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:19:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:19:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:19:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:19:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:19:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:19:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:19:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:19:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:19:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:19:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:19:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:19:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:19:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:19:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 10:19:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:19:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:19:59,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:19:59,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58079840] [2021-11-17 10:19:59,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58079840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:19:59,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:19:59,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:19:59,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462016037] [2021-11-17 10:19:59,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:19:59,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:19:59,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:19:59,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:19:59,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:19:59,737 INFO L87 Difference]: Start difference. First operand has 6110 states, 4386 states have (on average 1.3342453260373917) internal successors, (5852), 4464 states have internal predecessors, (5852), 1437 states have call successors, (1437), 288 states have call predecessors, (1437), 287 states have return successors, (1428), 1408 states have call predecessors, (1428), 1428 states have call successors, (1428) Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 10:20:01,848 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:34,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:20:34,111 INFO L93 Difference]: Finished difference Result 13768 states and 20234 transitions. [2021-11-17 10:20:34,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 10:20:34,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 251 [2021-11-17 10:20:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:20:34,187 INFO L225 Difference]: With dead ends: 13768 [2021-11-17 10:20:34,187 INFO L226 Difference]: Without dead ends: 7646 [2021-11-17 10:20:34,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:34,229 INFO L933 BasicCegarLoop]: 10026 mSDtfsCounter, 3371 mSDsluCounter, 12195 mSDsCounter, 0 mSdLazyCounter, 3997 mSolverCounterSat, 1551 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4131 SdHoareTripleChecker+Valid, 22221 SdHoareTripleChecker+Invalid, 5549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1551 IncrementalHoareTripleChecker+Valid, 3997 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2021-11-17 10:20:34,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4131 Valid, 22221 Invalid, 5549 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1551 Valid, 3997 Invalid, 1 Unknown, 0 Unchecked, 33.1s Time] [2021-11-17 10:20:34,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2021-11-17 10:20:34,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 6040. [2021-11-17 10:20:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6040 states, 4352 states have (on average 1.3269761029411764) internal successors, (5775), 4425 states have internal predecessors, (5775), 1401 states have call successors, (1401), 285 states have call predecessors, (1401), 285 states have return successors, (1401), 1381 states have call predecessors, (1401), 1401 states have call successors, (1401) [2021-11-17 10:20:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6040 states to 6040 states and 8577 transitions. [2021-11-17 10:20:34,573 INFO L78 Accepts]: Start accepts. Automaton has 6040 states and 8577 transitions. Word has length 251 [2021-11-17 10:20:34,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:20:34,577 INFO L470 AbstractCegarLoop]: Abstraction has 6040 states and 8577 transitions. [2021-11-17 10:20:34,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 10:20:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6040 states and 8577 transitions. [2021-11-17 10:20:34,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-17 10:20:34,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:20:34,585 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:20:34,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 10:20:34,586 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:20:34,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:20:34,586 INFO L85 PathProgramCache]: Analyzing trace with hash 343672492, now seen corresponding path program 1 times [2021-11-17 10:20:34,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:20:34,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373214611] [2021-11-17 10:20:34,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:20:34,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:20:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:20:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:20:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:20:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:20:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:20:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:20:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:20:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:20:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:20:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:20:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:20:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:20:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:20:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:20:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:20:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:20:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:20:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:20:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:20:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:20:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:20:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 10:20:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:20:35,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:20:35,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373214611] [2021-11-17 10:20:35,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373214611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:20:35,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:20:35,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:20:35,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403735379] [2021-11-17 10:20:35,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:20:35,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:20:35,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:20:35,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:20:35,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:35,465 INFO L87 Difference]: Start difference. First operand 6040 states and 8577 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 10:20:37,553 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 10:21:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:21:14,526 INFO L93 Difference]: Finished difference Result 13645 states and 19635 transitions. [2021-11-17 10:21:14,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 10:21:14,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 253 [2021-11-17 10:21:14,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:21:14,571 INFO L225 Difference]: With dead ends: 13645 [2021-11-17 10:21:14,571 INFO L226 Difference]: Without dead ends: 7648 [2021-11-17 10:21:14,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:21:14,595 INFO L933 BasicCegarLoop]: 9963 mSDtfsCounter, 3336 mSDsluCounter, 12152 mSDsCounter, 0 mSdLazyCounter, 3904 mSolverCounterSat, 1512 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4070 SdHoareTripleChecker+Valid, 22115 SdHoareTripleChecker+Invalid, 5417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1512 IncrementalHoareTripleChecker+Valid, 3904 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2021-11-17 10:21:14,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4070 Valid, 22115 Invalid, 5417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1512 Valid, 3904 Invalid, 1 Unknown, 0 Unchecked, 38.2s Time] [2021-11-17 10:21:14,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7648 states. [2021-11-17 10:21:14,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7648 to 6039. [2021-11-17 10:21:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6039 states, 4351 states have (on average 1.3263617559181797) internal successors, (5771), 4424 states have internal predecessors, (5771), 1401 states have call successors, (1401), 285 states have call predecessors, (1401), 285 states have return successors, (1401), 1381 states have call predecessors, (1401), 1401 states have call successors, (1401) [2021-11-17 10:21:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6039 states to 6039 states and 8573 transitions. [2021-11-17 10:21:14,785 INFO L78 Accepts]: Start accepts. Automaton has 6039 states and 8573 transitions. Word has length 253 [2021-11-17 10:21:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:21:14,787 INFO L470 AbstractCegarLoop]: Abstraction has 6039 states and 8573 transitions. [2021-11-17 10:21:14,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 10:21:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 6039 states and 8573 transitions. [2021-11-17 10:21:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-17 10:21:14,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:21:14,792 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:14,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 10:21:14,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:21:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:21:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash 29398015, now seen corresponding path program 1 times [2021-11-17 10:21:14,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:21:14,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905275977] [2021-11-17 10:21:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:14,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:21:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:21:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:21:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:21:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:21:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:21:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:21:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:21:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:21:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:21:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:21:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:21:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:21:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:21:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:21:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:21:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:21:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:21:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:21:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:21:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:21:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:21:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 10:21:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:21:15,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:21:15,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905275977] [2021-11-17 10:21:15,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905275977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:21:15,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:21:15,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:21:15,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939656594] [2021-11-17 10:21:15,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:21:15,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:21:15,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:21:15,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:21:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:21:15,575 INFO L87 Difference]: Start difference. First operand 6039 states and 8573 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 10:21:17,663 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 10:21:48,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:21:48,249 INFO L93 Difference]: Finished difference Result 12480 states and 17844 transitions. [2021-11-17 10:21:48,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 10:21:48,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 254 [2021-11-17 10:21:48,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:21:48,283 INFO L225 Difference]: With dead ends: 12480 [2021-11-17 10:21:48,283 INFO L226 Difference]: Without dead ends: 6484 [2021-11-17 10:21:48,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:21:48,309 INFO L933 BasicCegarLoop]: 8201 mSDtfsCounter, 2156 mSDsluCounter, 10677 mSDsCounter, 0 mSdLazyCounter, 3618 mSolverCounterSat, 1505 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 18878 SdHoareTripleChecker+Invalid, 5124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1505 IncrementalHoareTripleChecker+Valid, 3618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2021-11-17 10:21:48,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2583 Valid, 18878 Invalid, 5124 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1505 Valid, 3618 Invalid, 1 Unknown, 0 Unchecked, 32.1s Time] [2021-11-17 10:21:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6484 states. [2021-11-17 10:21:48,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6484 to 6040. [2021-11-17 10:21:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6040 states, 4352 states have (on average 1.3262867647058822) internal successors, (5772), 4425 states have internal predecessors, (5772), 1401 states have call successors, (1401), 285 states have call predecessors, (1401), 285 states have return successors, (1401), 1381 states have call predecessors, (1401), 1401 states have call successors, (1401) [2021-11-17 10:21:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6040 states to 6040 states and 8574 transitions. [2021-11-17 10:21:48,477 INFO L78 Accepts]: Start accepts. Automaton has 6040 states and 8574 transitions. Word has length 254 [2021-11-17 10:21:48,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:21:48,477 INFO L470 AbstractCegarLoop]: Abstraction has 6040 states and 8574 transitions. [2021-11-17 10:21:48,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 10:21:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand 6040 states and 8574 transitions. [2021-11-17 10:21:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-17 10:21:48,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:21:48,483 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:48,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 10:21:48,483 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:21:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:21:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash -547304037, now seen corresponding path program 1 times [2021-11-17 10:21:48,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:21:48,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163262854] [2021-11-17 10:21:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:48,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:21:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:21:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:21:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:21:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:21:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:21:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:21:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:21:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:21:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:21:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:21:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:21:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:21:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:21:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:21:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:21:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:21:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:21:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:21:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:21:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:21:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:21:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:21:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:21:49,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:21:49,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163262854] [2021-11-17 10:21:49,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163262854] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:21:49,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107029347] [2021-11-17 10:21:49,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:49,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:21:49,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:21:49,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:21:49,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 10:21:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:51,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:21:51,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:21:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:21:54,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:21:54,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107029347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:21:54,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:21:54,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:21:54,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423913558] [2021-11-17 10:21:54,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:21:54,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:21:54,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:21:54,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:21:54,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:21:54,958 INFO L87 Difference]: Start difference. First operand 6040 states and 8574 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:21:55,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:21:55,212 INFO L93 Difference]: Finished difference Result 18030 states and 25744 transitions. [2021-11-17 10:21:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:21:55,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 256 [2021-11-17 10:21:55,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:21:55,268 INFO L225 Difference]: With dead ends: 18030 [2021-11-17 10:21:55,269 INFO L226 Difference]: Without dead ends: 12033 [2021-11-17 10:21:55,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:21:55,296 INFO L933 BasicCegarLoop]: 10067 mSDtfsCounter, 8459 mSDsluCounter, 8495 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8459 SdHoareTripleChecker+Valid, 18562 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:21:55,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8459 Valid, 18562 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:21:55,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12033 states. [2021-11-17 10:21:55,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12033 to 12028. [2021-11-17 10:21:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12028 states, 8674 states have (on average 1.327299976942587) internal successors, (11513), 8820 states have internal predecessors, (11513), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2021-11-17 10:21:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12028 states to 12028 states and 17097 transitions. [2021-11-17 10:21:55,629 INFO L78 Accepts]: Start accepts. Automaton has 12028 states and 17097 transitions. Word has length 256 [2021-11-17 10:21:55,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:21:55,632 INFO L470 AbstractCegarLoop]: Abstraction has 12028 states and 17097 transitions. [2021-11-17 10:21:55,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:21:55,632 INFO L276 IsEmpty]: Start isEmpty. Operand 12028 states and 17097 transitions. [2021-11-17 10:21:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-17 10:21:55,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:21:55,637 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:55,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 10:21:55,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:21:55,855 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:21:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:21:55,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1102541069, now seen corresponding path program 1 times [2021-11-17 10:21:55,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:21:55,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274917217] [2021-11-17 10:21:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:55,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:21:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:21:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:21:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:21:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:21:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:21:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:21:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:21:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:21:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:21:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:21:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:21:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:21:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:21:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:21:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:21:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:21:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:21:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:21:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:21:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:21:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:21:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:21:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:21:56,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:21:56,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274917217] [2021-11-17 10:21:56,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274917217] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:21:56,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139661398] [2021-11-17 10:21:56,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:56,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:21:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:21:56,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:21:56,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 10:21:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:58,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 6004 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:21:58,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:01,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:01,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139661398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:01,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:01,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:01,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621910679] [2021-11-17 10:22:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:01,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:01,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:01,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:01,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:01,924 INFO L87 Difference]: Start difference. First operand 12028 states and 17097 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:02,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:02,175 INFO L93 Difference]: Finished difference Result 24013 states and 34404 transitions. [2021-11-17 10:22:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:02,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 257 [2021-11-17 10:22:02,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:02,225 INFO L225 Difference]: With dead ends: 24013 [2021-11-17 10:22:02,225 INFO L226 Difference]: Without dead ends: 12028 [2021-11-17 10:22:02,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:02,268 INFO L933 BasicCegarLoop]: 8554 mSDtfsCounter, 8450 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8450 SdHoareTripleChecker+Valid, 8554 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:02,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8450 Valid, 8554 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12028 states. [2021-11-17 10:22:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12028 to 12028. [2021-11-17 10:22:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12028 states, 8674 states have (on average 1.3270694028130043) internal successors, (11511), 8820 states have internal predecessors, (11511), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2021-11-17 10:22:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12028 states to 12028 states and 17095 transitions. [2021-11-17 10:22:02,806 INFO L78 Accepts]: Start accepts. Automaton has 12028 states and 17095 transitions. Word has length 257 [2021-11-17 10:22:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:02,806 INFO L470 AbstractCegarLoop]: Abstraction has 12028 states and 17095 transitions. [2021-11-17 10:22:02,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12028 states and 17095 transitions. [2021-11-17 10:22:02,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-17 10:22:02,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:02,812 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:02,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:03,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:03,019 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:03,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:03,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1020503273, now seen corresponding path program 1 times [2021-11-17 10:22:03,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:03,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219537854] [2021-11-17 10:22:03,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:03,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:03,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:03,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219537854] [2021-11-17 10:22:03,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219537854] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:03,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373358280] [2021-11-17 10:22:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:03,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:03,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:03,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:03,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 10:22:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:05,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 6005 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:05,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:09,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:09,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373358280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:09,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:09,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:09,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509501348] [2021-11-17 10:22:09,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:09,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:09,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:09,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:09,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:09,089 INFO L87 Difference]: Start difference. First operand 12028 states and 17095 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:09,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:09,352 INFO L93 Difference]: Finished difference Result 24013 states and 34400 transitions. [2021-11-17 10:22:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:09,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 258 [2021-11-17 10:22:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:09,401 INFO L225 Difference]: With dead ends: 24013 [2021-11-17 10:22:09,401 INFO L226 Difference]: Without dead ends: 12028 [2021-11-17 10:22:09,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:09,443 INFO L933 BasicCegarLoop]: 8553 mSDtfsCounter, 8448 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8448 SdHoareTripleChecker+Valid, 8553 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:09,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8448 Valid, 8553 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:09,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12028 states. [2021-11-17 10:22:09,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12028 to 12028. [2021-11-17 10:22:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12028 states, 8674 states have (on average 1.3268388286834216) internal successors, (11509), 8820 states have internal predecessors, (11509), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2021-11-17 10:22:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12028 states to 12028 states and 17093 transitions. [2021-11-17 10:22:09,808 INFO L78 Accepts]: Start accepts. Automaton has 12028 states and 17093 transitions. Word has length 258 [2021-11-17 10:22:09,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:09,809 INFO L470 AbstractCegarLoop]: Abstraction has 12028 states and 17093 transitions. [2021-11-17 10:22:09,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 12028 states and 17093 transitions. [2021-11-17 10:22:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-17 10:22:09,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:09,815 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:09,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:10,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:10,032 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:10,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:10,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1637185007, now seen corresponding path program 1 times [2021-11-17 10:22:10,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:10,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618218403] [2021-11-17 10:22:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:10,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:10,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:10,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618218403] [2021-11-17 10:22:10,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618218403] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:10,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383376845] [2021-11-17 10:22:10,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:10,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:10,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:10,755 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:10,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 10:22:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:12,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 6006 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:12,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:15,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:15,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383376845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:15,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:15,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:15,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67336751] [2021-11-17 10:22:15,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:15,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:15,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:15,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:15,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:15,863 INFO L87 Difference]: Start difference. First operand 12028 states and 17093 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:16,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:16,126 INFO L93 Difference]: Finished difference Result 24013 states and 34396 transitions. [2021-11-17 10:22:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:16,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 259 [2021-11-17 10:22:16,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:16,176 INFO L225 Difference]: With dead ends: 24013 [2021-11-17 10:22:16,176 INFO L226 Difference]: Without dead ends: 12028 [2021-11-17 10:22:16,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:16,220 INFO L933 BasicCegarLoop]: 8552 mSDtfsCounter, 8446 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8446 SdHoareTripleChecker+Valid, 8552 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:16,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8446 Valid, 8552 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:16,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12028 states. [2021-11-17 10:22:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12028 to 12028. [2021-11-17 10:22:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12028 states, 8674 states have (on average 1.3266082545538391) internal successors, (11507), 8820 states have internal predecessors, (11507), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2021-11-17 10:22:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12028 states to 12028 states and 17091 transitions. [2021-11-17 10:22:16,592 INFO L78 Accepts]: Start accepts. Automaton has 12028 states and 17091 transitions. Word has length 259 [2021-11-17 10:22:16,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:16,594 INFO L470 AbstractCegarLoop]: Abstraction has 12028 states and 17091 transitions. [2021-11-17 10:22:16,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 12028 states and 17091 transitions. [2021-11-17 10:22:16,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-17 10:22:16,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:16,599 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:16,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:16,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:16,815 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:16,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:16,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1759307629, now seen corresponding path program 1 times [2021-11-17 10:22:16,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:16,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868328195] [2021-11-17 10:22:16,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:16,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:17,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:17,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868328195] [2021-11-17 10:22:17,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868328195] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:17,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633711686] [2021-11-17 10:22:17,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:17,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:17,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:17,739 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:17,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 10:22:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:19,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 6007 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:19,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:22,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:22,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633711686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:22,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:22,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:22,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961239753] [2021-11-17 10:22:22,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:22,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:22,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:22,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:22,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:22,875 INFO L87 Difference]: Start difference. First operand 12028 states and 17091 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:23,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:23,157 INFO L93 Difference]: Finished difference Result 24013 states and 34392 transitions. [2021-11-17 10:22:23,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:23,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 260 [2021-11-17 10:22:23,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:23,206 INFO L225 Difference]: With dead ends: 24013 [2021-11-17 10:22:23,206 INFO L226 Difference]: Without dead ends: 12028 [2021-11-17 10:22:23,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:23,248 INFO L933 BasicCegarLoop]: 8551 mSDtfsCounter, 8444 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8444 SdHoareTripleChecker+Valid, 8551 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:23,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8444 Valid, 8551 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:23,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12028 states. [2021-11-17 10:22:23,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12028 to 12028. [2021-11-17 10:22:23,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12028 states, 8674 states have (on average 1.3263776804242564) internal successors, (11505), 8820 states have internal predecessors, (11505), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2021-11-17 10:22:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12028 states to 12028 states and 17089 transitions. [2021-11-17 10:22:23,762 INFO L78 Accepts]: Start accepts. Automaton has 12028 states and 17089 transitions. Word has length 260 [2021-11-17 10:22:23,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:23,762 INFO L470 AbstractCegarLoop]: Abstraction has 12028 states and 17089 transitions. [2021-11-17 10:22:23,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 12028 states and 17089 transitions. [2021-11-17 10:22:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-17 10:22:23,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:23,767 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:23,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:23,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:23,981 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:23,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:23,981 INFO L85 PathProgramCache]: Analyzing trace with hash 438119659, now seen corresponding path program 1 times [2021-11-17 10:22:23,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:23,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650431622] [2021-11-17 10:22:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:23,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:24,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:24,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650431622] [2021-11-17 10:22:24,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650431622] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:24,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770831275] [2021-11-17 10:22:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:24,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:24,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:24,624 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:24,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 10:22:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:26,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 6008 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:26,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:29,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:29,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770831275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:29,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:29,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:29,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173961634] [2021-11-17 10:22:29,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:29,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:29,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:29,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:29,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:29,744 INFO L87 Difference]: Start difference. First operand 12028 states and 17089 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:30,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:30,036 INFO L93 Difference]: Finished difference Result 24013 states and 34388 transitions. [2021-11-17 10:22:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:30,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 261 [2021-11-17 10:22:30,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:30,089 INFO L225 Difference]: With dead ends: 24013 [2021-11-17 10:22:30,089 INFO L226 Difference]: Without dead ends: 12028 [2021-11-17 10:22:30,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:30,133 INFO L933 BasicCegarLoop]: 8550 mSDtfsCounter, 8442 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8442 SdHoareTripleChecker+Valid, 8550 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:30,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8442 Valid, 8550 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:30,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12028 states. [2021-11-17 10:22:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12028 to 12028. [2021-11-17 10:22:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12028 states, 8674 states have (on average 1.3261471062946737) internal successors, (11503), 8820 states have internal predecessors, (11503), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2021-11-17 10:22:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12028 states to 12028 states and 17087 transitions. [2021-11-17 10:22:30,578 INFO L78 Accepts]: Start accepts. Automaton has 12028 states and 17087 transitions. Word has length 261 [2021-11-17 10:22:30,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:30,578 INFO L470 AbstractCegarLoop]: Abstraction has 12028 states and 17087 transitions. [2021-11-17 10:22:30,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12028 states and 17087 transitions. [2021-11-17 10:22:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-17 10:22:30,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:30,585 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:30,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:30,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:30,803 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:30,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:30,804 INFO L85 PathProgramCache]: Analyzing trace with hash -46594545, now seen corresponding path program 1 times [2021-11-17 10:22:30,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:30,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139974604] [2021-11-17 10:22:30,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:30,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:31,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:31,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139974604] [2021-11-17 10:22:31,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139974604] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:31,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108729107] [2021-11-17 10:22:31,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:31,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:31,477 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:31,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-17 10:22:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:33,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 6009 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:33,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:36,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:36,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108729107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:36,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:36,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:36,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32506782] [2021-11-17 10:22:36,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:36,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:36,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:36,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:36,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:36,701 INFO L87 Difference]: Start difference. First operand 12028 states and 17087 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:37,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:37,386 INFO L93 Difference]: Finished difference Result 35958 states and 51892 transitions. [2021-11-17 10:22:37,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:37,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 262 [2021-11-17 10:22:37,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:37,504 INFO L225 Difference]: With dead ends: 35958 [2021-11-17 10:22:37,504 INFO L226 Difference]: Without dead ends: 23973 [2021-11-17 10:22:37,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:37,569 INFO L933 BasicCegarLoop]: 10247 mSDtfsCounter, 8531 mSDsluCounter, 8572 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8531 SdHoareTripleChecker+Valid, 18819 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:37,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8531 Valid, 18819 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:37,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23973 states. [2021-11-17 10:22:38,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23973 to 23965. [2021-11-17 10:22:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.3269909201318606) internal successors, (22945), 17586 states have internal predecessors, (22945), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:22:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34469 transitions. [2021-11-17 10:22:38,548 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34469 transitions. Word has length 262 [2021-11-17 10:22:38,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:38,549 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34469 transitions. [2021-11-17 10:22:38,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:38,549 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34469 transitions. [2021-11-17 10:22:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-17 10:22:38,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:38,554 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:38,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:38,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:38,767 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:38,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash -2073316377, now seen corresponding path program 1 times [2021-11-17 10:22:38,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:38,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201145910] [2021-11-17 10:22:38,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:38,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:39,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:39,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201145910] [2021-11-17 10:22:39,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201145910] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:39,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466406554] [2021-11-17 10:22:39,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:39,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:39,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:39,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-17 10:22:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:41,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 6010 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:41,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:44,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:44,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466406554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:44,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:44,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:44,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305128832] [2021-11-17 10:22:44,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:44,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:44,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:44,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:44,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:44,758 INFO L87 Difference]: Start difference. First operand 23965 states and 34469 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:45,614 INFO L93 Difference]: Finished difference Result 47887 states and 69648 transitions. [2021-11-17 10:22:45,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:45,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 263 [2021-11-17 10:22:45,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:45,724 INFO L225 Difference]: With dead ends: 47887 [2021-11-17 10:22:45,724 INFO L226 Difference]: Without dead ends: 23965 [2021-11-17 10:22:45,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:45,973 INFO L933 BasicCegarLoop]: 8549 mSDtfsCounter, 8439 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8439 SdHoareTripleChecker+Valid, 8549 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:45,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8439 Valid, 8549 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2021-11-17 10:22:46,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23965. [2021-11-17 10:22:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.326759585911746) internal successors, (22941), 17586 states have internal predecessors, (22941), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:22:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34465 transitions. [2021-11-17 10:22:46,815 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34465 transitions. Word has length 263 [2021-11-17 10:22:46,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:46,815 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34465 transitions. [2021-11-17 10:22:46,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34465 transitions. [2021-11-17 10:22:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-17 10:22:46,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:46,821 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:46,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:47,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-17 10:22:47,036 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:47,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:47,036 INFO L85 PathProgramCache]: Analyzing trace with hash -362667125, now seen corresponding path program 1 times [2021-11-17 10:22:47,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:47,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561576275] [2021-11-17 10:22:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:47,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:47,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:47,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561576275] [2021-11-17 10:22:47,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561576275] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:47,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894604765] [2021-11-17 10:22:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:47,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:47,680 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:47,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-17 10:22:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:49,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 6011 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:49,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:22:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:22:53,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:22:53,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894604765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:22:53,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:22:53,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:22:53,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683779763] [2021-11-17 10:22:53,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:22:53,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:22:53,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:22:53,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:22:53,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:53,077 INFO L87 Difference]: Start difference. First operand 23965 states and 34465 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:22:53,869 INFO L93 Difference]: Finished difference Result 47887 states and 69640 transitions. [2021-11-17 10:22:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:22:53,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 264 [2021-11-17 10:22:53,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:22:53,960 INFO L225 Difference]: With dead ends: 47887 [2021-11-17 10:22:53,960 INFO L226 Difference]: Without dead ends: 23965 [2021-11-17 10:22:54,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:22:54,054 INFO L933 BasicCegarLoop]: 8548 mSDtfsCounter, 8437 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8437 SdHoareTripleChecker+Valid, 8548 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:22:54,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8437 Valid, 8548 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:22:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2021-11-17 10:22:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23965. [2021-11-17 10:22:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.3265282516916315) internal successors, (22937), 17586 states have internal predecessors, (22937), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:22:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34461 transitions. [2021-11-17 10:22:54,887 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34461 transitions. Word has length 264 [2021-11-17 10:22:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:22:54,888 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34461 transitions. [2021-11-17 10:22:54,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:22:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34461 transitions. [2021-11-17 10:22:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-17 10:22:54,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:22:54,895 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:54,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-17 10:22:55,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:55,120 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:22:55,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:22:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1242368739, now seen corresponding path program 1 times [2021-11-17 10:22:55,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:22:55,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108659147] [2021-11-17 10:22:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:55,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:22:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:22:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:22:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:22:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:22:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:22:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:22:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:22:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:22:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:22:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:22:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:22:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:22:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:22:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:22:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:22:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:22:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:22:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:22:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:22:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:22:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:22:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:22:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:22:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:22:55,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:22:55,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108659147] [2021-11-17 10:22:55,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108659147] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:22:55,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319985005] [2021-11-17 10:22:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:22:55,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:22:55,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:22:55,832 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:22:55,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-17 10:22:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:22:57,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 6012 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:22:57,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:23:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:23:01,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:23:01,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319985005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:23:01,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:23:01,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:23:01,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229074099] [2021-11-17 10:23:01,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:23:01,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:23:01,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:23:01,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:23:01,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:01,075 INFO L87 Difference]: Start difference. First operand 23965 states and 34461 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:01,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:23:01,872 INFO L93 Difference]: Finished difference Result 47887 states and 69632 transitions. [2021-11-17 10:23:01,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:23:01,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 265 [2021-11-17 10:23:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:23:01,976 INFO L225 Difference]: With dead ends: 47887 [2021-11-17 10:23:01,977 INFO L226 Difference]: Without dead ends: 23965 [2021-11-17 10:23:02,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:02,096 INFO L933 BasicCegarLoop]: 8547 mSDtfsCounter, 8435 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8435 SdHoareTripleChecker+Valid, 8547 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:23:02,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8435 Valid, 8547 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:23:02,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2021-11-17 10:23:02,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23965. [2021-11-17 10:23:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.326296917471517) internal successors, (22933), 17586 states have internal predecessors, (22933), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:23:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34457 transitions. [2021-11-17 10:23:03,085 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34457 transitions. Word has length 265 [2021-11-17 10:23:03,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:23:03,085 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34457 transitions. [2021-11-17 10:23:03,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34457 transitions. [2021-11-17 10:23:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-17 10:23:03,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:23:03,091 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:03,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-17 10:23:03,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-17 10:23:03,320 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:23:03,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:23:03,320 INFO L85 PathProgramCache]: Analyzing trace with hash -426610425, now seen corresponding path program 1 times [2021-11-17 10:23:03,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:23:03,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439466557] [2021-11-17 10:23:03,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:03,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:23:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:23:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:23:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:23:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:23:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:23:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:23:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:23:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:23:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:23:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:23:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:23:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:23:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:23:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:23:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:23:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:23:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:23:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:23:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:23:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:23:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:23:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:23:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:23:03,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:23:03,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439466557] [2021-11-17 10:23:03,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439466557] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:23:03,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395105991] [2021-11-17 10:23:03,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:03,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:23:03,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:23:03,918 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:23:03,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-17 10:23:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:05,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 6013 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:23:05,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:23:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:23:09,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:23:09,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395105991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:23:09,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:23:09,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:23:09,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639751167] [2021-11-17 10:23:09,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:23:09,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:23:09,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:23:09,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:23:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:09,256 INFO L87 Difference]: Start difference. First operand 23965 states and 34457 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:10,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:23:10,066 INFO L93 Difference]: Finished difference Result 47887 states and 69624 transitions. [2021-11-17 10:23:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:23:10,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 266 [2021-11-17 10:23:10,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:23:10,173 INFO L225 Difference]: With dead ends: 47887 [2021-11-17 10:23:10,173 INFO L226 Difference]: Without dead ends: 23965 [2021-11-17 10:23:10,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:10,281 INFO L933 BasicCegarLoop]: 8546 mSDtfsCounter, 8433 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8433 SdHoareTripleChecker+Valid, 8546 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:23:10,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8433 Valid, 8546 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:23:10,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2021-11-17 10:23:11,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23965. [2021-11-17 10:23:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.3260655832514026) internal successors, (22929), 17586 states have internal predecessors, (22929), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:23:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34453 transitions. [2021-11-17 10:23:11,192 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34453 transitions. Word has length 266 [2021-11-17 10:23:11,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:23:11,192 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34453 transitions. [2021-11-17 10:23:11,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34453 transitions. [2021-11-17 10:23:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-17 10:23:11,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:23:11,198 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:11,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-17 10:23:11,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-17 10:23:11,411 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:23:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:23:11,412 INFO L85 PathProgramCache]: Analyzing trace with hash -510840353, now seen corresponding path program 1 times [2021-11-17 10:23:11,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:23:11,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336827481] [2021-11-17 10:23:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:11,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:23:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:23:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:23:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:23:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:23:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:23:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:23:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:23:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:23:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:23:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:23:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:23:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:23:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:23:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:23:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:23:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:23:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:23:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:23:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:23:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:23:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:23:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:23:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:23:12,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:23:12,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336827481] [2021-11-17 10:23:12,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336827481] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:23:12,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156454156] [2021-11-17 10:23:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:12,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:23:12,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:23:12,172 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:23:12,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-17 10:23:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:13,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 6014 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:23:13,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:23:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:23:17,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:23:17,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156454156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:23:17,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:23:17,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:23:17,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409910876] [2021-11-17 10:23:17,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:23:17,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:23:17,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:23:17,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:23:17,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:17,451 INFO L87 Difference]: Start difference. First operand 23965 states and 34453 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:18,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:23:18,376 INFO L93 Difference]: Finished difference Result 47887 states and 69616 transitions. [2021-11-17 10:23:18,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:23:18,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 267 [2021-11-17 10:23:18,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:23:18,489 INFO L225 Difference]: With dead ends: 47887 [2021-11-17 10:23:18,489 INFO L226 Difference]: Without dead ends: 23965 [2021-11-17 10:23:18,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:18,592 INFO L933 BasicCegarLoop]: 8545 mSDtfsCounter, 8431 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8431 SdHoareTripleChecker+Valid, 8545 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:23:18,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8431 Valid, 8545 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:23:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2021-11-17 10:23:19,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23965. [2021-11-17 10:23:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.325834249031288) internal successors, (22925), 17586 states have internal predecessors, (22925), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:23:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34449 transitions. [2021-11-17 10:23:19,520 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34449 transitions. Word has length 267 [2021-11-17 10:23:19,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:23:19,521 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34449 transitions. [2021-11-17 10:23:19,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:19,521 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34449 transitions. [2021-11-17 10:23:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-17 10:23:19,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:23:19,527 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:19,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-17 10:23:19,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-17 10:23:19,743 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:23:19,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:23:19,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1287515779, now seen corresponding path program 1 times [2021-11-17 10:23:19,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:23:19,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348651609] [2021-11-17 10:23:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:19,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:23:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:23:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:23:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:23:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:23:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:23:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:23:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:23:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:23:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:23:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:23:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:23:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:23:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:23:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:23:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:23:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:23:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:23:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:23:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:23:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:23:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:23:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:23:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:23:20,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:23:20,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348651609] [2021-11-17 10:23:20,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348651609] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:23:20,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953343071] [2021-11-17 10:23:20,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:20,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:23:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:23:20,340 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:23:20,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-17 10:23:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:21,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 6015 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:23:21,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:23:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:23:25,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:23:25,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953343071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:23:25,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:23:25,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:23:25,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862146782] [2021-11-17 10:23:25,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:23:25,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:23:25,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:23:25,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:23:25,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:25,634 INFO L87 Difference]: Start difference. First operand 23965 states and 34449 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:26,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:23:26,610 INFO L93 Difference]: Finished difference Result 47887 states and 69608 transitions. [2021-11-17 10:23:26,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:23:26,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 268 [2021-11-17 10:23:26,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:23:26,737 INFO L225 Difference]: With dead ends: 47887 [2021-11-17 10:23:26,737 INFO L226 Difference]: Without dead ends: 23965 [2021-11-17 10:23:26,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:26,850 INFO L933 BasicCegarLoop]: 8544 mSDtfsCounter, 8429 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8429 SdHoareTripleChecker+Valid, 8544 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:23:26,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8429 Valid, 8544 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:23:26,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2021-11-17 10:23:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23965. [2021-11-17 10:23:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.3256029148111734) internal successors, (22921), 17586 states have internal predecessors, (22921), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:23:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34445 transitions. [2021-11-17 10:23:28,010 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34445 transitions. Word has length 268 [2021-11-17 10:23:28,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:23:28,010 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34445 transitions. [2021-11-17 10:23:28,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34445 transitions. [2021-11-17 10:23:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-17 10:23:28,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:23:28,021 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:28,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-17 10:23:28,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-17 10:23:28,238 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:23:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:23:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1316497627, now seen corresponding path program 1 times [2021-11-17 10:23:28,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:23:28,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053455763] [2021-11-17 10:23:28,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:28,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:23:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:23:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:23:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:23:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:23:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:23:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:23:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:23:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:23:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:23:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:23:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:23:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:23:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:23:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:23:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:23:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:23:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:23:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:23:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:23:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:23:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:23:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:23:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:23:28,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:23:28,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053455763] [2021-11-17 10:23:28,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053455763] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:23:28,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669828072] [2021-11-17 10:23:28,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:28,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:23:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:23:28,996 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:23:28,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-17 10:23:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:30,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 6016 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:23:30,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:23:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2021-11-17 10:23:34,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:23:34,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669828072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:23:34,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:23:34,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-11-17 10:23:34,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768078538] [2021-11-17 10:23:34,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:23:34,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:23:34,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:23:34,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:23:34,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:34,359 INFO L87 Difference]: Start difference. First operand 23965 states and 34445 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:35,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:23:35,418 INFO L93 Difference]: Finished difference Result 47887 states and 69600 transitions. [2021-11-17 10:23:35,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:23:35,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 269 [2021-11-17 10:23:35,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:23:35,513 INFO L225 Difference]: With dead ends: 47887 [2021-11-17 10:23:35,514 INFO L226 Difference]: Without dead ends: 23965 [2021-11-17 10:23:35,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:23:35,602 INFO L933 BasicCegarLoop]: 8543 mSDtfsCounter, 8427 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8427 SdHoareTripleChecker+Valid, 8543 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:23:35,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8427 Valid, 8543 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:23:35,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2021-11-17 10:23:36,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23965. [2021-11-17 10:23:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23965 states, 17291 states have (on average 1.3253715805910589) internal successors, (22917), 17586 states have internal predecessors, (22917), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2021-11-17 10:23:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 34441 transitions. [2021-11-17 10:23:36,520 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 34441 transitions. Word has length 269 [2021-11-17 10:23:36,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:23:36,521 INFO L470 AbstractCegarLoop]: Abstraction has 23965 states and 34441 transitions. [2021-11-17 10:23:36,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 10:23:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 34441 transitions. [2021-11-17 10:23:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-17 10:23:36,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:23:36,526 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:36,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-17 10:23:36,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:23:36,727 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:23:36,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:23:36,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1936886626, now seen corresponding path program 1 times [2021-11-17 10:23:36,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:23:36,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347616988] [2021-11-17 10:23:36,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:36,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:23:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:23:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:23:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:23:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:23:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:23:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:23:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:23:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:23:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:23:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:23:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:23:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:23:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:23:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:23:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:23:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:23:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:23:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:23:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:23:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:23:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:23:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 10:23:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:23:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:23:37,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:23:37,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347616988] [2021-11-17 10:23:37,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347616988] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:23:37,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487746126] [2021-11-17 10:23:37,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:23:37,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:23:37,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:23:37,431 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:23:37,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-17 10:23:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:23:39,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 6016 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 10:23:39,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:23:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:23:39,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 10:23:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:23:40,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487746126] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 10:23:40,358 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 10:23:40,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-11-17 10:23:40,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795352271] [2021-11-17 10:23:40,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 10:23:40,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 10:23:40,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:23:40,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 10:23:40,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:23:40,359 INFO L87 Difference]: Start difference. First operand 23965 states and 34441 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 10:23:42,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:24:37,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:24:37,716 INFO L93 Difference]: Finished difference Result 49883 states and 72197 transitions. [2021-11-17 10:24:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 10:24:37,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 270 [2021-11-17 10:24:37,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:24:37,834 INFO L225 Difference]: With dead ends: 49883 [2021-11-17 10:24:37,834 INFO L226 Difference]: Without dead ends: 25961 [2021-11-17 10:24:38,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:24:38,003 INFO L933 BasicCegarLoop]: 8190 mSDtfsCounter, 2237 mSDsluCounter, 24257 mSDsCounter, 0 mSdLazyCounter, 7483 mSolverCounterSat, 1544 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 32447 SdHoareTripleChecker+Invalid, 9028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1544 IncrementalHoareTripleChecker+Valid, 7483 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.5s IncrementalHoareTripleChecker+Time [2021-11-17 10:24:38,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2664 Valid, 32447 Invalid, 9028 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1544 Valid, 7483 Invalid, 1 Unknown, 0 Unchecked, 55.5s Time] [2021-11-17 10:24:38,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25961 states. [2021-11-17 10:24:38,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25961 to 25237. [2021-11-17 10:24:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25237 states, 18291 states have (on average 1.3266087146684162) internal successors, (24265), 18650 states have internal predecessors, (24265), 5689 states have call successors, (5689), 1139 states have call predecessors, (5689), 1255 states have return successors, (6558), 5665 states have call predecessors, (6558), 5689 states have call successors, (6558) [2021-11-17 10:24:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25237 states to 25237 states and 36512 transitions. [2021-11-17 10:24:39,051 INFO L78 Accepts]: Start accepts. Automaton has 25237 states and 36512 transitions. Word has length 270 [2021-11-17 10:24:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:24:39,052 INFO L470 AbstractCegarLoop]: Abstraction has 25237 states and 36512 transitions. [2021-11-17 10:24:39,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 10:24:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 25237 states and 36512 transitions. [2021-11-17 10:24:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-17 10:24:39,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:24:39,059 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:39,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-17 10:24:39,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-17 10:24:39,260 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:24:39,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:24:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 298569137, now seen corresponding path program 1 times [2021-11-17 10:24:39,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:24:39,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065414490] [2021-11-17 10:24:39,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:24:39,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:24:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:24:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:24:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:24:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:24:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:24:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:24:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:24:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:24:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:24:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:24:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:24:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:24:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:24:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:24:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:24:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:24:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:24:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:24:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:24:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:24:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:24:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 10:24:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 10:24:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 10:24:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 10:24:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:41,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 10:24:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:24:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 10:24:41,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:24:41,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065414490] [2021-11-17 10:24:41,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065414490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:24:41,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:24:41,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 10:24:41,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257206512] [2021-11-17 10:24:41,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:24:41,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 10:24:41,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:24:41,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 10:24:41,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:24:41,118 INFO L87 Difference]: Start difference. First operand 25237 states and 36512 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 10:24:43,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:24:45,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:27:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:27:23,550 INFO L93 Difference]: Finished difference Result 105243 states and 154051 transitions. [2021-11-17 10:27:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 10:27:23,551 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 295 [2021-11-17 10:27:23,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:27:23,977 INFO L225 Difference]: With dead ends: 105243 [2021-11-17 10:27:23,978 INFO L226 Difference]: Without dead ends: 80049 [2021-11-17 10:27:24,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2021-11-17 10:27:24,100 INFO L933 BasicCegarLoop]: 10464 mSDtfsCounter, 45292 mSDsluCounter, 19066 mSDsCounter, 0 mSdLazyCounter, 16437 mSolverCounterSat, 22441 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47869 SdHoareTripleChecker+Valid, 29530 SdHoareTripleChecker+Invalid, 38880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 22441 IncrementalHoareTripleChecker+Valid, 16437 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:27:24,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47869 Valid, 29530 Invalid, 38880 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [22441 Valid, 16437 Invalid, 2 Unknown, 0 Unchecked, 153.4s Time] [2021-11-17 10:27:24,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80049 states. Killed by 15