./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_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 43bed732c323fe40708c0d64bb60905c00a1c3c7d8f882023d821fe272dfa892 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 14:45:11,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:45:11,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:45:11,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:45:11,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:45:11,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:45:11,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:45:11,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:45:11,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:45:11,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:45:11,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:45:11,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:45:11,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:45:11,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:45:11,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:45:11,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:45:11,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:45:11,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:45:11,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:45:11,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:45:11,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:45:11,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:45:11,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:45:11,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:45:11,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:45:11,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:45:11,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:45:11,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:45:11,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:45:11,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:45:11,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:45:11,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:45:11,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:45:11,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:45:11,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:45:11,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:45:11,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:45:11,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:45:11,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:45:11,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:45:11,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:45:11,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:45:11,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:45:11,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:45:11,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:45:11,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:45:11,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:45:11,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:45:11,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:45:11,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:45:11,437 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:45:11,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:45:11,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:45:11,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:45:11,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:45:11,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:45:11,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:45:11,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:45:11,438 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:45:11,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:45:11,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:45:11,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:45:11,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:45:11,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:45:11,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:45:11,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:45:11,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:45:11,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:45:11,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:45:11,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:45:11,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:45:11,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:45:11,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:45:11,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43bed732c323fe40708c0d64bb60905c00a1c3c7d8f882023d821fe272dfa892 [2021-12-18 14:45:11,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:45:11,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:45:11,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:45:11,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:45:11,632 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:45:11,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-12-18 14:45:11,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be1f4e31/fa1e90d38b4b4681b3154eaabd5d95ec/FLAG5bc51fa85 [2021-12-18 14:45:12,528 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:45:12,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-12-18 14:45:12,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be1f4e31/fa1e90d38b4b4681b3154eaabd5d95ec/FLAG5bc51fa85 [2021-12-18 14:45:12,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be1f4e31/fa1e90d38b4b4681b3154eaabd5d95ec [2021-12-18 14:45:12,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:45:12,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:45:12,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:45:12,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:45:12,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:45:12,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:45:12" (1/1) ... [2021-12-18 14:45:12,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fc0c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:12, skipping insertion in model container [2021-12-18 14:45:12,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:45:12" (1/1) ... [2021-12-18 14:45:12,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:45:12,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:45:22,140 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_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860429,860442] [2021-12-18 14:45:22,142 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_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860574,860587] [2021-12-18 14:45:22,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:45:22,228 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:45:22,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860429,860442] [2021-12-18 14:45:22,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860574,860587] [2021-12-18 14:45:22,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:45:23,114 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:45:23,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23 WrapperNode [2021-12-18 14:45:23,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:45:23,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:45:23,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:45:23,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:45:23,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:23,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:23,763 INFO L137 Inliner]: procedures = 823, calls = 7976, calls flagged for inlining = 349, calls inlined = 334, statements flattened = 18499 [2021-12-18 14:45:23,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:45:23,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:45:23,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:45:23,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:45:23,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:23,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:23,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:23,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:24,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:24,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:24,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:24,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:45:24,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:45:24,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:45:24,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:45:24,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (1/1) ... [2021-12-18 14:45:24,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:45:24,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:45:24,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 14:45:24,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 14:45:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2021-12-18 14:45:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2021-12-18 14:45:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2021-12-18 14:45:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2021-12-18 14:45:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-12-18 14:45:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-12-18 14:45:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 14:45:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 14:45:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2021-12-18 14:45:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2021-12-18 14:45:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-18 14:45:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-18 14:45:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_108 [2021-12-18 14:45:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_108 [2021-12-18 14:45:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_109 [2021-12-18 14:45:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_109 [2021-12-18 14:45:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2021-12-18 14:45:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2021-12-18 14:45:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_link_down_ind [2021-12-18 14:45:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_link_down_ind [2021-12-18 14:45:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2021-12-18 14:45:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2021-12-18 14:45:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2021-12-18 14:45:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2021-12-18 14:45:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2021-12-18 14:45:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2021-12-18 14:45:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2021-12-18 14:45:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2021-12-18 14:45:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2021-12-18 14:45:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2021-12-18 14:45:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 14:45:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 14:45:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 14:45:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 14:45:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2021-12-18 14:45:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2021-12-18 14:45:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2021-12-18 14:45:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2021-12-18 14:45:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2021-12-18 14:45:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2021-12-18 14:45:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2021-12-18 14:45:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2021-12-18 14:45:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2021-12-18 14:45:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2021-12-18 14:45:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2021-12-18 14:45:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2021-12-18 14:45:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2021-12-18 14:45:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2021-12-18 14:45:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_22 [2021-12-18 14:45:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_22 [2021-12-18 14:45:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2021-12-18 14:45:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2021-12-18 14:45:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2021-12-18 14:45:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2021-12-18 14:45:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 14:45:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 14:45:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2021-12-18 14:45:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2021-12-18 14:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 14:45:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 14:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 14:45:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 14:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2021-12-18 14:45:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2021-12-18 14:45:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 14:45:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 14:45:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2021-12-18 14:45:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2021-12-18 14:45:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_101 [2021-12-18 14:45:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_101 [2021-12-18 14:45:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 14:45:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 14:45:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2021-12-18 14:45:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2021-12-18 14:45:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_33 [2021-12-18 14:45:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_33 [2021-12-18 14:45:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 14:45:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 14:45:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-18 14:45:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-18 14:45:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 14:45:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 14:45:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_104 [2021-12-18 14:45:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_104 [2021-12-18 14:45:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_105 [2021-12-18 14:45:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_105 [2021-12-18 14:45:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_106 [2021-12-18 14:45:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_106 [2021-12-18 14:45:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2021-12-18 14:45:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2021-12-18 14:45:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2021-12-18 14:45:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2021-12-18 14:45:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2021-12-18 14:45:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2021-12-18 14:45:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:45:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:45:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2021-12-18 14:45:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2021-12-18 14:45:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:45:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_107 [2021-12-18 14:45:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_107 [2021-12-18 14:45:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:45:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:45:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2021-12-18 14:45:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2021-12-18 14:45:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2021-12-18 14:45:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2021-12-18 14:45:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 14:45:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 14:45:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2021-12-18 14:45:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2021-12-18 14:45:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2021-12-18 14:45:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2021-12-18 14:45:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2021-12-18 14:45:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2021-12-18 14:45:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 14:45:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 14:45:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 14:45:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 14:45:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2021-12-18 14:45:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2021-12-18 14:45:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 14:45:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 14:45:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_17_2 [2021-12-18 14:45:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_17_2 [2021-12-18 14:45:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2021-12-18 14:45:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2021-12-18 14:45:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2021-12-18 14:45:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2021-12-18 14:45:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:45:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 14:45:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-18 14:45:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-18 14:45:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-18 14:45:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 14:45:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 14:45:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:45:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:45:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:45:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2021-12-18 14:45:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2021-12-18 14:45:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 14:45:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 14:45:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:45:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 14:45:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 14:45:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 14:45:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 14:45:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 14:45:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 14:45:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 14:45:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 14:45:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 14:45:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 14:45:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 14:45:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2021-12-18 14:45:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2021-12-18 14:45:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2021-12-18 14:45:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2021-12-18 14:45:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2021-12-18 14:45:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2021-12-18 14:45:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2021-12-18 14:45:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2021-12-18 14:45:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2021-12-18 14:45:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2021-12-18 14:45:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 14:45:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 14:45:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2021-12-18 14:45:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2021-12-18 14:45:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2021-12-18 14:45:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2021-12-18 14:45:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 14:45:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 14:45:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2021-12-18 14:45:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2021-12-18 14:45:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2021-12-18 14:45:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2021-12-18 14:45:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2021-12-18 14:45:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2021-12-18 14:45:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-18 14:45:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-18 14:45:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2021-12-18 14:45:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2021-12-18 14:45:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_link_up_ind [2021-12-18 14:45:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_link_up_ind [2021-12-18 14:45:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 14:45:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 14:45:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2021-12-18 14:45:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2021-12-18 14:45:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2021-12-18 14:45:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2021-12-18 14:45:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:45:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:45:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2021-12-18 14:45:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2021-12-18 14:45:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2021-12-18 14:45:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2021-12-18 14:45:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 14:45:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 14:45:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2021-12-18 14:45:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2021-12-18 14:45:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:45:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 14:45:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 14:45:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2021-12-18 14:45:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2021-12-18 14:45:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 14:45:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 14:45:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 14:45:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 14:45:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2021-12-18 14:45:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2021-12-18 14:45:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 14:45:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2021-12-18 14:45:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2021-12-18 14:45:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2021-12-18 14:45:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2021-12-18 14:45:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 14:45:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 14:45:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_isr_napi [2021-12-18 14:45:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_isr_napi [2021-12-18 14:45:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2021-12-18 14:45:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2021-12-18 14:45:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2021-12-18 14:45:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2021-12-18 14:45:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 14:45:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 14:45:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 14:45:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 14:45:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-12-18 14:45:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-12-18 14:45:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:45:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:45:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2021-12-18 14:45:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2021-12-18 14:45:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 14:45:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 14:45:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:45:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2021-12-18 14:45:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2021-12-18 14:45:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 14:45:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 14:45:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2021-12-18 14:45:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2021-12-18 14:45:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:45:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:45:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:45:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2021-12-18 14:45:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2021-12-18 14:45:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2021-12-18 14:45:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2021-12-18 14:45:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2021-12-18 14:45:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2021-12-18 14:45:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2021-12-18 14:45:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2021-12-18 14:45:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 14:45:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 14:45:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 14:45:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 14:45:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-12-18 14:45:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-12-18 14:45:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 14:45:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 14:45:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2021-12-18 14:45:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2021-12-18 14:45:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2021-12-18 14:45:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2021-12-18 14:45:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2021-12-18 14:45:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2021-12-18 14:45:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2021-12-18 14:45:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2021-12-18 14:45:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 14:45:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 14:45:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2021-12-18 14:45:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2021-12-18 14:45:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2021-12-18 14:45:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2021-12-18 14:45:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2021-12-18 14:45:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2021-12-18 14:45:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2021-12-18 14:45:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2021-12-18 14:45:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 14:45:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 14:45:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2021-12-18 14:45:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2021-12-18 14:45:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 14:45:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 14:45:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2021-12-18 14:45:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2021-12-18 14:45:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-18 14:45:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-18 14:45:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 14:45:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 14:45:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2021-12-18 14:45:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2021-12-18 14:45:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-12-18 14:45:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-12-18 14:45:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-18 14:45:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-18 14:45:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2021-12-18 14:45:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2021-12-18 14:45:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 14:45:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 14:45:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_features [2021-12-18 14:45:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_features [2021-12-18 14:45:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:45:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:45:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:45:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-12-18 14:45:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-12-18 14:45:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2021-12-18 14:45:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2021-12-18 14:45:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2021-12-18 14:45:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2021-12-18 14:45:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-18 14:45:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-18 14:45:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2021-12-18 14:45:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2021-12-18 14:45:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2021-12-18 14:45:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2021-12-18 14:45:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2021-12-18 14:45:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2021-12-18 14:45:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2021-12-18 14:45:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2021-12-18 14:45:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 14:45:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 14:45:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2021-12-18 14:45:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2021-12-18 14:45:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2021-12-18 14:45:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2021-12-18 14:45:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2021-12-18 14:45:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2021-12-18 14:45:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:45:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:45:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2021-12-18 14:45:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2021-12-18 14:45:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2021-12-18 14:45:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2021-12-18 14:45:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2021-12-18 14:45:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2021-12-18 14:45:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_115 [2021-12-18 14:45:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_115 [2021-12-18 14:45:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2021-12-18 14:45:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2021-12-18 14:45:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2021-12-18 14:45:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2021-12-18 14:45:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2021-12-18 14:45:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2021-12-18 14:45:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2021-12-18 14:45:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2021-12-18 14:45:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2021-12-18 14:45:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2021-12-18 14:45:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2021-12-18 14:45:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2021-12-18 14:45:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-18 14:45:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-18 14:45:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2021-12-18 14:45:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2021-12-18 14:45:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2021-12-18 14:45:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2021-12-18 14:45:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 14:45:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 14:45:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2021-12-18 14:45:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2021-12-18 14:45:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 14:45:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 14:45:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:45:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:45:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2021-12-18 14:45:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2021-12-18 14:45:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 14:45:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 14:45:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 14:45:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 14:45:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2021-12-18 14:45:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2021-12-18 14:45:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-18 14:45:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-18 14:45:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 14:45:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 14:45:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2021-12-18 14:45:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2021-12-18 14:45:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2021-12-18 14:45:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2021-12-18 14:45:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2021-12-18 14:45:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2021-12-18 14:45:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2021-12-18 14:45:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2021-12-18 14:45:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 14:45:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 14:45:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_poll_vp_lockup [2021-12-18 14:45:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_poll_vp_lockup [2021-12-18 14:45:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2021-12-18 14:45:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2021-12-18 14:45:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2021-12-18 14:45:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2021-12-18 14:45:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2021-12-18 14:45:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2021-12-18 14:45:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:45:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:45:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 14:45:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 14:45:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 14:45:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 14:45:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:45:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:45:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:45:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-12-18 14:45:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-12-18 14:45:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 14:45:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 14:45:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 14:45:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 14:45:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2021-12-18 14:45:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2021-12-18 14:45:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 14:45:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 14:45:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:45:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 14:45:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 14:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2021-12-18 14:45:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2021-12-18 14:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2021-12-18 14:45:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2021-12-18 14:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2021-12-18 14:45:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2021-12-18 14:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 14:45:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 14:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 14:45:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 14:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_alarm_process [2021-12-18 14:45:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_alarm_process [2021-12-18 14:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 14:45:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 14:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 14:45:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 14:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:45:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 14:45:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 14:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_4 [2021-12-18 14:45:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_4 [2021-12-18 14:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2021-12-18 14:45:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2021-12-18 14:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2021-12-18 14:45:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2021-12-18 14:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 14:45:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 14:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2021-12-18 14:45:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2021-12-18 14:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 14:45:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 14:45:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-12-18 14:45:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-12-18 14:45:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-12-18 14:45:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-12-18 14:45:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_3 [2021-12-18 14:45:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_3 [2021-12-18 14:45:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 14:45:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 14:45:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2021-12-18 14:45:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2021-12-18 14:45:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2021-12-18 14:45:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2021-12-18 14:45:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2021-12-18 14:45:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2021-12-18 14:45:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2021-12-18 14:45:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2021-12-18 14:45:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2021-12-18 14:45:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2021-12-18 14:45:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-12-18 14:45:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-12-18 14:45:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2021-12-18 14:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2021-12-18 14:45:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 14:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 14:45:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_poll_vp_reset [2021-12-18 14:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_poll_vp_reset [2021-12-18 14:45:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:45:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2021-12-18 14:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2021-12-18 14:45:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 14:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 14:45:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 14:45:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 14:45:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_change_mtu [2021-12-18 14:45:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_change_mtu [2021-12-18 14:45:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2021-12-18 14:45:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2021-12-18 14:45:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2021-12-18 14:45:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2021-12-18 14:45:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2021-12-18 14:45:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2021-12-18 14:45:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2021-12-18 14:45:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2021-12-18 14:45:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 14:45:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 14:45:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_alarm_msix_handle [2021-12-18 14:45:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_alarm_msix_handle [2021-12-18 14:45:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 14:45:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 14:45:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-18 14:45:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-18 14:45:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 14:45:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 14:45:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2021-12-18 14:45:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2021-12-18 14:45:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 14:45:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 14:45:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2021-12-18 14:45:24,768 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2021-12-18 14:45:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2021-12-18 14:45:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2021-12-18 14:45:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-18 14:45:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-18 14:45:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2021-12-18 14:45:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2021-12-18 14:45:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_isr [2021-12-18 14:45:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_isr [2021-12-18 14:45:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2021-12-18 14:45:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2021-12-18 14:45:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2021-12-18 14:45:24,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2021-12-18 14:45:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:45:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:45:24,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:45:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2021-12-18 14:45:24,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2021-12-18 14:45:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 14:45:24,770 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 14:45:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-18 14:45:24,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-18 14:45:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 14:45:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 14:45:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-18 14:45:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-18 14:45:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2021-12-18 14:45:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2021-12-18 14:45:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2021-12-18 14:45:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2021-12-18 14:45:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-12-18 14:45:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-12-18 14:45:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 14:45:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 14:45:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2021-12-18 14:45:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2021-12-18 14:45:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2021-12-18 14:45:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2021-12-18 14:45:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2021-12-18 14:45:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2021-12-18 14:45:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 14:45:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 14:45:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 14:45:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 14:45:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 14:45:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 14:45:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_113 [2021-12-18 14:45:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_113 [2021-12-18 14:45:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2021-12-18 14:45:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2021-12-18 14:45:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2021-12-18 14:45:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2021-12-18 14:45:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2021-12-18 14:45:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2021-12-18 14:45:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:45:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 14:45:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 14:45:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2021-12-18 14:45:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2021-12-18 14:45:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 14:45:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 14:45:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 14:45:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 14:45:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:45:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:45:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 14:45:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 14:45:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2021-12-18 14:45:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2021-12-18 14:45:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2021-12-18 14:45:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2021-12-18 14:45:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-12-18 14:45:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-12-18 14:45:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2021-12-18 14:45:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2021-12-18 14:45:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 14:45:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 14:45:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 14:45:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 14:45:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 14:45:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 14:45:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2021-12-18 14:45:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2021-12-18 14:45:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2021-12-18 14:45:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2021-12-18 14:45:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 14:45:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 14:45:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2021-12-18 14:45:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2021-12-18 14:45:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2021-12-18 14:45:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2021-12-18 14:45:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2021-12-18 14:45:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2021-12-18 14:45:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 14:45:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 14:45:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_vpath [2021-12-18 14:45:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_vpath [2021-12-18 14:45:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 14:45:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 14:45:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-18 14:45:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-18 14:45:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2021-12-18 14:45:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2021-12-18 14:45:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 14:45:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 14:45:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset [2021-12-18 14:45:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset [2021-12-18 14:45:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2021-12-18 14:45:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2021-12-18 14:45:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-18 14:45:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-18 14:45:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2021-12-18 14:45:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2021-12-18 14:45:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2021-12-18 14:45:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2021-12-18 14:45:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-12-18 14:45:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-12-18 14:45:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:45:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:45:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_begin_irq [2021-12-18 14:45:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_begin_irq [2021-12-18 14:45:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2021-12-18 14:45:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2021-12-18 14:45:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_4 [2021-12-18 14:45:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_4 [2021-12-18 14:45:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 14:45:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 14:45:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 14:45:24,781 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 14:45:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2021-12-18 14:45:24,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2021-12-18 14:45:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:45:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-12-18 14:45:24,781 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-12-18 14:45:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:45:24,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:45:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 14:45:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 14:45:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 14:45:26,338 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:45:26,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:45:30,020 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:51:10,076 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:51:10,104 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:51:10,104 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-18 14:51:10,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:51:10 BoogieIcfgContainer [2021-12-18 14:51:10,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:51:10,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:51:10,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:51:10,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:51:10,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:45:12" (1/3) ... [2021-12-18 14:51:10,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214df0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:51:10, skipping insertion in model container [2021-12-18 14:51:10,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:45:23" (2/3) ... [2021-12-18 14:51:10,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214df0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:51:10, skipping insertion in model container [2021-12-18 14:51:10,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:51:10" (3/3) ... [2021-12-18 14:51:10,117 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-12-18 14:51:10,121 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:51:10,121 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-18 14:51:10,182 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:51:10,188 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 14:51:10,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-18 14:51:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 5965 states, 4219 states have (on average 1.327091727897606) internal successors, (5599), 4318 states have internal predecessors, (5599), 1430 states have call successors, (1430), 316 states have call predecessors, (1430), 315 states have return successors, (1423), 1396 states have call predecessors, (1423), 1423 states have call successors, (1423) [2021-12-18 14:51:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-18 14:51:10,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:10,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:10,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:10,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1829823295, now seen corresponding path program 1 times [2021-12-18 14:51:10,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:10,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115628554] [2021-12-18 14:51:10,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:10,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 14:51:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:11,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:11,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115628554] [2021-12-18 14:51:11,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115628554] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:11,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:51:11,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 14:51:11,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765729881] [2021-12-18 14:51:11,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:11,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:11,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:11,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:11,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:51:11,260 INFO L87 Difference]: Start difference. First operand has 5965 states, 4219 states have (on average 1.327091727897606) internal successors, (5599), 4318 states have internal predecessors, (5599), 1430 states have call successors, (1430), 316 states have call predecessors, (1430), 315 states have return successors, (1423), 1396 states have call predecessors, (1423), 1423 states have call successors, (1423) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:11,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:11,781 INFO L93 Difference]: Finished difference Result 12072 states and 17433 transitions. [2021-12-18 14:51:11,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:11,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-18 14:51:11,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:11,838 INFO L225 Difference]: With dead ends: 12072 [2021-12-18 14:51:11,839 INFO L226 Difference]: Without dead ends: 5970 [2021-12-18 14:51:11,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:51:11,885 INFO L933 BasicCegarLoop]: 8529 mSDtfsCounter, 164 mSDsluCounter, 8382 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 16911 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 14:51:11,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 16911 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 14:51:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5970 states. [2021-12-18 14:51:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5970 to 5859. [2021-12-18 14:51:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5859 states, 4155 states have (on average 1.3200962695547533) internal successors, (5485), 4245 states have internal predecessors, (5485), 1388 states have call successors, (1388), 314 states have call predecessors, (1388), 314 states have return successors, (1388), 1361 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-12-18 14:51:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 5859 states and 8261 transitions. [2021-12-18 14:51:12,345 INFO L78 Accepts]: Start accepts. Automaton has 5859 states and 8261 transitions. Word has length 20 [2021-12-18 14:51:12,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:12,345 INFO L470 AbstractCegarLoop]: Abstraction has 5859 states and 8261 transitions. [2021-12-18 14:51:12,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 8261 transitions. [2021-12-18 14:51:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-18 14:51:12,347 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:12,347 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:12,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:51:12,348 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:12,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:12,352 INFO L85 PathProgramCache]: Analyzing trace with hash 311939680, now seen corresponding path program 1 times [2021-12-18 14:51:12,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:12,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426714254] [2021-12-18 14:51:12,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:12,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 14:51:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:12,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:12,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:12,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426714254] [2021-12-18 14:51:12,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426714254] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:12,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:51:12,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 14:51:12,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695653930] [2021-12-18 14:51:12,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:12,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:12,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:12,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:12,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:51:12,938 INFO L87 Difference]: Start difference. First operand 5859 states and 8261 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:13,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:13,183 INFO L93 Difference]: Finished difference Result 11820 states and 16673 transitions. [2021-12-18 14:51:13,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:13,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-12-18 14:51:13,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:13,223 INFO L225 Difference]: With dead ends: 11820 [2021-12-18 14:51:13,223 INFO L226 Difference]: Without dead ends: 5972 [2021-12-18 14:51:13,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:51:13,249 INFO L933 BasicCegarLoop]: 8271 mSDtfsCounter, 95 mSDsluCounter, 8226 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 16497 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:51:13,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 16497 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:13,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5972 states. [2021-12-18 14:51:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5972 to 5858. [2021-12-18 14:51:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 4154 states have (on average 1.3194511314395763) internal successors, (5481), 4244 states have internal predecessors, (5481), 1388 states have call successors, (1388), 314 states have call predecessors, (1388), 314 states have return successors, (1388), 1361 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-12-18 14:51:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 8257 transitions. [2021-12-18 14:51:13,449 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 8257 transitions. Word has length 22 [2021-12-18 14:51:13,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:13,449 INFO L470 AbstractCegarLoop]: Abstraction has 5858 states and 8257 transitions. [2021-12-18 14:51:13,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 8257 transitions. [2021-12-18 14:51:13,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-18 14:51:13,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:13,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:13,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:51:13,452 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:13,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:13,453 INFO L85 PathProgramCache]: Analyzing trace with hash 948512808, now seen corresponding path program 1 times [2021-12-18 14:51:13,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:13,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112723773] [2021-12-18 14:51:13,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:13,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:13,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 14:51:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:13,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:13,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112723773] [2021-12-18 14:51:13,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112723773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:13,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:51:13,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 14:51:13,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803675789] [2021-12-18 14:51:13,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:13,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:13,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:13,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:13,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:51:13,960 INFO L87 Difference]: Start difference. First operand 5858 states and 8257 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:14,290 INFO L93 Difference]: Finished difference Result 11684 states and 16465 transitions. [2021-12-18 14:51:14,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:14,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-18 14:51:14,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:14,327 INFO L225 Difference]: With dead ends: 11684 [2021-12-18 14:51:14,328 INFO L226 Difference]: Without dead ends: 5860 [2021-12-18 14:51:14,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:51:14,359 INFO L933 BasicCegarLoop]: 8238 mSDtfsCounter, 1 mSDsluCounter, 8218 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16456 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:51:14,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 16456 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:51:14,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5860 states. [2021-12-18 14:51:14,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5860 to 5859. [2021-12-18 14:51:14,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5859 states, 4155 states have (on average 1.3193742478941035) internal successors, (5482), 4245 states have internal predecessors, (5482), 1388 states have call successors, (1388), 314 states have call predecessors, (1388), 314 states have return successors, (1388), 1361 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-12-18 14:51:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 5859 states and 8258 transitions. [2021-12-18 14:51:14,560 INFO L78 Accepts]: Start accepts. Automaton has 5859 states and 8258 transitions. Word has length 23 [2021-12-18 14:51:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:14,561 INFO L470 AbstractCegarLoop]: Abstraction has 5859 states and 8258 transitions. [2021-12-18 14:51:14,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 8258 transitions. [2021-12-18 14:51:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-18 14:51:14,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:14,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:14,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:51:14,563 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:14,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:14,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1280170204, now seen corresponding path program 1 times [2021-12-18 14:51:14,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:14,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706091860] [2021-12-18 14:51:14,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:14,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:15,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:15,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706091860] [2021-12-18 14:51:15,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706091860] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:15,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405825747] [2021-12-18 14:51:15,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:15,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:15,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:15,079 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) [2021-12-18 14:51:15,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 14:51:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:17,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 6616 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:17,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:17,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:17,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405825747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:17,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:17,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:17,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995335045] [2021-12-18 14:51:17,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:17,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:17,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:17,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:17,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:17,631 INFO L87 Difference]: Start difference. First operand 5859 states and 8258 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:17,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:17,959 INFO L93 Difference]: Finished difference Result 17483 states and 25078 transitions. [2021-12-18 14:51:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:17,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-18 14:51:17,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:18,033 INFO L225 Difference]: With dead ends: 17483 [2021-12-18 14:51:18,034 INFO L226 Difference]: Without dead ends: 11661 [2021-12-18 14:51:18,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:18,078 INFO L933 BasicCegarLoop]: 9866 mSDtfsCounter, 8311 mSDsluCounter, 8263 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8311 SdHoareTripleChecker+Valid, 18129 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 [2021-12-18 14:51:18,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8311 Valid, 18129 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:18,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11661 states. [2021-12-18 14:51:18,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11661 to 11656. [2021-12-18 14:51:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11656 states, 8258 states have (on average 1.3189634294017922) internal successors, (10892), 8437 states have internal predecessors, (10892), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2021-12-18 14:51:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 11656 states and 16614 transitions. [2021-12-18 14:51:18,485 INFO L78 Accepts]: Start accepts. Automaton has 11656 states and 16614 transitions. Word has length 25 [2021-12-18 14:51:18,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:18,485 INFO L470 AbstractCegarLoop]: Abstraction has 11656 states and 16614 transitions. [2021-12-18 14:51:18,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11656 states and 16614 transitions. [2021-12-18 14:51:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-18 14:51:18,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:18,490 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:18,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:18,700 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 [2021-12-18 14:51:18,701 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:18,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:18,701 INFO L85 PathProgramCache]: Analyzing trace with hash -587276320, now seen corresponding path program 1 times [2021-12-18 14:51:18,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:18,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265550826] [2021-12-18 14:51:18,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:18,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:19,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:19,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265550826] [2021-12-18 14:51:19,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265550826] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:19,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912741795] [2021-12-18 14:51:19,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:19,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:19,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:19,267 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) [2021-12-18 14:51:19,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 14:51:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:21,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 6617 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:21,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:22,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:22,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912741795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:22,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:22,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:22,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689511599] [2021-12-18 14:51:22,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:22,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:22,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:22,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:22,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:22,053 INFO L87 Difference]: Start difference. First operand 11656 states and 16614 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:22,372 INFO L93 Difference]: Finished difference Result 23275 states and 33691 transitions. [2021-12-18 14:51:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:22,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-18 14:51:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:22,429 INFO L225 Difference]: With dead ends: 23275 [2021-12-18 14:51:22,430 INFO L226 Difference]: Without dead ends: 11656 [2021-12-18 14:51:22,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:22,482 INFO L933 BasicCegarLoop]: 8238 mSDtfsCounter, 8219 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8219 SdHoareTripleChecker+Valid, 8238 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 [2021-12-18 14:51:22,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8219 Valid, 8238 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:22,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2021-12-18 14:51:22,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 11656. [2021-12-18 14:51:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11656 states, 8258 states have (on average 1.3187212400096875) internal successors, (10890), 8437 states have internal predecessors, (10890), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2021-12-18 14:51:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 11656 states and 16612 transitions. [2021-12-18 14:51:22,856 INFO L78 Accepts]: Start accepts. Automaton has 11656 states and 16612 transitions. Word has length 26 [2021-12-18 14:51:22,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:22,857 INFO L470 AbstractCegarLoop]: Abstraction has 11656 states and 16612 transitions. [2021-12-18 14:51:22,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 11656 states and 16612 transitions. [2021-12-18 14:51:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-18 14:51:22,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:22,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:22,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:23,071 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 [2021-12-18 14:51:23,072 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:23,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:23,072 INFO L85 PathProgramCache]: Analyzing trace with hash -467885792, now seen corresponding path program 1 times [2021-12-18 14:51:23,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:23,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478479] [2021-12-18 14:51:23,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:23,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:23,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:23,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478479] [2021-12-18 14:51:23,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478479] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:23,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735047221] [2021-12-18 14:51:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:23,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:23,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:23,619 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) [2021-12-18 14:51:23,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 14:51:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:25,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 6618 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:25,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:26,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:26,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735047221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:26,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:26,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:26,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328016149] [2021-12-18 14:51:26,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:26,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:26,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:26,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:26,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:26,278 INFO L87 Difference]: Start difference. First operand 11656 states and 16612 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:26,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:26,604 INFO L93 Difference]: Finished difference Result 23275 states and 33687 transitions. [2021-12-18 14:51:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:26,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-12-18 14:51:26,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:26,676 INFO L225 Difference]: With dead ends: 23275 [2021-12-18 14:51:26,677 INFO L226 Difference]: Without dead ends: 11656 [2021-12-18 14:51:26,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:26,736 INFO L933 BasicCegarLoop]: 8237 mSDtfsCounter, 8217 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8217 SdHoareTripleChecker+Valid, 8237 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 [2021-12-18 14:51:26,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8217 Valid, 8237 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2021-12-18 14:51:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 11656. [2021-12-18 14:51:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11656 states, 8258 states have (on average 1.318479050617583) internal successors, (10888), 8437 states have internal predecessors, (10888), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2021-12-18 14:51:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 11656 states and 16610 transitions. [2021-12-18 14:51:27,164 INFO L78 Accepts]: Start accepts. Automaton has 11656 states and 16610 transitions. Word has length 27 [2021-12-18 14:51:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:27,164 INFO L470 AbstractCegarLoop]: Abstraction has 11656 states and 16610 transitions. [2021-12-18 14:51:27,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 11656 states and 16610 transitions. [2021-12-18 14:51:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-18 14:51:27,166 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:27,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:27,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:27,399 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 [2021-12-18 14:51:27,399 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:27,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:27,400 INFO L85 PathProgramCache]: Analyzing trace with hash -947230116, now seen corresponding path program 1 times [2021-12-18 14:51:27,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:27,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93659125] [2021-12-18 14:51:27,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:27,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:27,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:27,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93659125] [2021-12-18 14:51:27,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93659125] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:27,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118902446] [2021-12-18 14:51:27,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:27,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:27,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:27,947 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) [2021-12-18 14:51:27,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 14:51:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:30,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 6619 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:30,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:30,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:30,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118902446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:30,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:30,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:30,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734345452] [2021-12-18 14:51:30,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:30,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:30,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:30,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:30,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:30,814 INFO L87 Difference]: Start difference. First operand 11656 states and 16610 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:31,124 INFO L93 Difference]: Finished difference Result 23275 states and 33683 transitions. [2021-12-18 14:51:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:31,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-18 14:51:31,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:31,186 INFO L225 Difference]: With dead ends: 23275 [2021-12-18 14:51:31,187 INFO L226 Difference]: Without dead ends: 11656 [2021-12-18 14:51:31,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:31,244 INFO L933 BasicCegarLoop]: 8236 mSDtfsCounter, 8215 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8215 SdHoareTripleChecker+Valid, 8236 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 [2021-12-18 14:51:31,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8215 Valid, 8236 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:31,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2021-12-18 14:51:31,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 11656. [2021-12-18 14:51:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11656 states, 8258 states have (on average 1.3182368612254782) internal successors, (10886), 8437 states have internal predecessors, (10886), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2021-12-18 14:51:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 11656 states and 16608 transitions. [2021-12-18 14:51:31,659 INFO L78 Accepts]: Start accepts. Automaton has 11656 states and 16608 transitions. Word has length 28 [2021-12-18 14:51:31,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:31,661 INFO L470 AbstractCegarLoop]: Abstraction has 11656 states and 16608 transitions. [2021-12-18 14:51:31,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:31,661 INFO L276 IsEmpty]: Start isEmpty. Operand 11656 states and 16608 transitions. [2021-12-18 14:51:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-18 14:51:31,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:31,663 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:31,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:31,876 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 [2021-12-18 14:51:31,877 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:31,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:31,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1487481628, now seen corresponding path program 1 times [2021-12-18 14:51:31,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:31,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321462599] [2021-12-18 14:51:31,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:31,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:32,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:32,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321462599] [2021-12-18 14:51:32,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321462599] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:32,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642489791] [2021-12-18 14:51:32,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:32,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:32,398 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) [2021-12-18 14:51:32,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 14:51:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:34,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 6620 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:34,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:35,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:35,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642489791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:35,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:35,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:35,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050118247] [2021-12-18 14:51:35,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:35,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:35,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:35,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:35,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:35,246 INFO L87 Difference]: Start difference. First operand 11656 states and 16608 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:35,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:35,569 INFO L93 Difference]: Finished difference Result 23275 states and 33679 transitions. [2021-12-18 14:51:35,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:35,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-18 14:51:35,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:35,634 INFO L225 Difference]: With dead ends: 23275 [2021-12-18 14:51:35,634 INFO L226 Difference]: Without dead ends: 11656 [2021-12-18 14:51:35,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:35,696 INFO L933 BasicCegarLoop]: 8235 mSDtfsCounter, 8213 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8213 SdHoareTripleChecker+Valid, 8235 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 [2021-12-18 14:51:35,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8213 Valid, 8235 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:35,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2021-12-18 14:51:36,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 11656. [2021-12-18 14:51:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11656 states, 8258 states have (on average 1.3179946718333737) internal successors, (10884), 8437 states have internal predecessors, (10884), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2021-12-18 14:51:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 11656 states and 16606 transitions. [2021-12-18 14:51:36,098 INFO L78 Accepts]: Start accepts. Automaton has 11656 states and 16606 transitions. Word has length 29 [2021-12-18 14:51:36,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:36,099 INFO L470 AbstractCegarLoop]: Abstraction has 11656 states and 16606 transitions. [2021-12-18 14:51:36,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 11656 states and 16606 transitions. [2021-12-18 14:51:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-18 14:51:36,101 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:36,101 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:36,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:36,323 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 [2021-12-18 14:51:36,323 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:36,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:36,324 INFO L85 PathProgramCache]: Analyzing trace with hash -231349032, now seen corresponding path program 1 times [2021-12-18 14:51:36,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:36,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568679844] [2021-12-18 14:51:36,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:36,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:37,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:37,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568679844] [2021-12-18 14:51:37,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568679844] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:37,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866255828] [2021-12-18 14:51:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:37,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:37,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:37,099 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) [2021-12-18 14:51:37,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 14:51:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:39,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 6621 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:39,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:40,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:40,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866255828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:40,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:40,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:40,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339404264] [2021-12-18 14:51:40,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:40,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:40,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:40,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:40,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:40,180 INFO L87 Difference]: Start difference. First operand 11656 states and 16606 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:40,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:40,564 INFO L93 Difference]: Finished difference Result 23275 states and 33675 transitions. [2021-12-18 14:51:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:40,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-18 14:51:40,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:40,624 INFO L225 Difference]: With dead ends: 23275 [2021-12-18 14:51:40,624 INFO L226 Difference]: Without dead ends: 11656 [2021-12-18 14:51:40,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:40,703 INFO L933 BasicCegarLoop]: 8234 mSDtfsCounter, 8211 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8211 SdHoareTripleChecker+Valid, 8234 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 [2021-12-18 14:51:40,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8211 Valid, 8234 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2021-12-18 14:51:41,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 11656. [2021-12-18 14:51:41,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11656 states, 8258 states have (on average 1.317752482441269) internal successors, (10882), 8437 states have internal predecessors, (10882), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2021-12-18 14:51:41,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 11656 states and 16604 transitions. [2021-12-18 14:51:41,281 INFO L78 Accepts]: Start accepts. Automaton has 11656 states and 16604 transitions. Word has length 30 [2021-12-18 14:51:41,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:41,281 INFO L470 AbstractCegarLoop]: Abstraction has 11656 states and 16604 transitions. [2021-12-18 14:51:41,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 11656 states and 16604 transitions. [2021-12-18 14:51:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-18 14:51:41,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:41,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:41,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:41,499 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 [2021-12-18 14:51:41,499 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:41,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1860975336, now seen corresponding path program 1 times [2021-12-18 14:51:41,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:41,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265284659] [2021-12-18 14:51:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:41,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:41,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:41,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265284659] [2021-12-18 14:51:41,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265284659] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:41,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946731400] [2021-12-18 14:51:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:41,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:41,980 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) [2021-12-18 14:51:41,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 14:51:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:44,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 6622 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:44,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:45,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:45,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946731400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:45,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:45,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:45,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981299738] [2021-12-18 14:51:45,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:45,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:45,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:45,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:45,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:45,162 INFO L87 Difference]: Start difference. First operand 11656 states and 16604 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:45,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:45,883 INFO L93 Difference]: Finished difference Result 34838 states and 51441 transitions. [2021-12-18 14:51:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:45,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-18 14:51:45,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:46,012 INFO L225 Difference]: With dead ends: 34838 [2021-12-18 14:51:46,012 INFO L226 Difference]: Without dead ends: 23219 [2021-12-18 14:51:46,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:46,090 INFO L933 BasicCegarLoop]: 9943 mSDtfsCounter, 8342 mSDsluCounter, 8299 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8342 SdHoareTripleChecker+Valid, 18242 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 [2021-12-18 14:51:46,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8342 Valid, 18242 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23219 states. [2021-12-18 14:51:46,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23219 to 23211. [2021-12-18 14:51:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.31788039179899) internal successors, (21662), 16797 states have internal predecessors, (21662), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:51:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33994 transitions. [2021-12-18 14:51:47,161 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33994 transitions. Word has length 31 [2021-12-18 14:51:47,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:47,161 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33994 transitions. [2021-12-18 14:51:47,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:47,161 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33994 transitions. [2021-12-18 14:51:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-18 14:51:47,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:47,162 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:47,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:47,369 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 [2021-12-18 14:51:47,370 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:47,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:47,370 INFO L85 PathProgramCache]: Analyzing trace with hash -725266604, now seen corresponding path program 1 times [2021-12-18 14:51:47,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:47,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240762699] [2021-12-18 14:51:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:47,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:47,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:47,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240762699] [2021-12-18 14:51:47,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240762699] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:47,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717221292] [2021-12-18 14:51:47,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:47,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:47,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:47,870 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) [2021-12-18 14:51:47,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-18 14:51:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:50,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 6623 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:50,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:51,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:51,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717221292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:51,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:51,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:51,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66283353] [2021-12-18 14:51:51,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:51,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:51,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:51,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:51,058 INFO L87 Difference]: Start difference. First operand 23211 states and 33994 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:51,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:51,901 INFO L93 Difference]: Finished difference Result 46385 states and 69705 transitions. [2021-12-18 14:51:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:51,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-12-18 14:51:51,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:52,030 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:51:52,030 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:51:52,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:52,176 INFO L933 BasicCegarLoop]: 8233 mSDtfsCounter, 8208 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8208 SdHoareTripleChecker+Valid, 8233 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 [2021-12-18 14:51:52,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8208 Valid, 8233 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:51:53,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:51:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.3176370383890004) internal successors, (21658), 16797 states have internal predecessors, (21658), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:51:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33990 transitions. [2021-12-18 14:51:53,178 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33990 transitions. Word has length 32 [2021-12-18 14:51:53,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:53,179 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33990 transitions. [2021-12-18 14:51:53,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33990 transitions. [2021-12-18 14:51:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-18 14:51:53,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:53,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:53,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:53,384 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 [2021-12-18 14:51:53,384 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:53,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:53,385 INFO L85 PathProgramCache]: Analyzing trace with hash 236482324, now seen corresponding path program 1 times [2021-12-18 14:51:53,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:53,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143556101] [2021-12-18 14:51:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:53,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:51:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:51:53,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:51:53,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143556101] [2021-12-18 14:51:53,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143556101] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:51:53,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768839379] [2021-12-18 14:51:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:53,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:51:53,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:51:53,859 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) [2021-12-18 14:51:53,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-18 14:51:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:51:56,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 6624 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:51:56,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:51:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:51:57,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:51:57,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768839379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:51:57,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:51:57,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:51:57,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475725983] [2021-12-18 14:51:57,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:51:57,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:51:57,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:51:57,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:51:57,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:57,164 INFO L87 Difference]: Start difference. First operand 23211 states and 33990 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:58,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:51:58,061 INFO L93 Difference]: Finished difference Result 46385 states and 69697 transitions. [2021-12-18 14:51:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:51:58,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2021-12-18 14:51:58,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:51:58,163 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:51:58,163 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:51:58,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:51:58,290 INFO L933 BasicCegarLoop]: 8232 mSDtfsCounter, 8206 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8206 SdHoareTripleChecker+Valid, 8232 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 [2021-12-18 14:51:58,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8206 Valid, 8232 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:51:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:51:59,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:51:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.3173936849790107) internal successors, (21654), 16797 states have internal predecessors, (21654), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:51:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33986 transitions. [2021-12-18 14:51:59,345 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33986 transitions. Word has length 33 [2021-12-18 14:51:59,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:51:59,345 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33986 transitions. [2021-12-18 14:51:59,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:51:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33986 transitions. [2021-12-18 14:51:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-18 14:51:59,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:51:59,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:51:59,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-18 14:51:59,547 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 [2021-12-18 14:51:59,548 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:51:59,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:51:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash 100444624, now seen corresponding path program 1 times [2021-12-18 14:51:59,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:51:59,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200981850] [2021-12-18 14:51:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:51:59,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:51:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:52:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:00,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:00,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200981850] [2021-12-18 14:52:00,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200981850] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:52:00,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257087684] [2021-12-18 14:52:00,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:00,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:00,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:52:00,159 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) [2021-12-18 14:52:00,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-18 14:52:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:03,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 6625 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:52:03,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:52:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:52:03,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:52:03,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257087684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:03,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:52:03,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:52:03,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706253861] [2021-12-18 14:52:03,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:03,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:52:03,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:03,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:52:03,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:03,515 INFO L87 Difference]: Start difference. First operand 23211 states and 33986 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:04,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:04,486 INFO L93 Difference]: Finished difference Result 46385 states and 69689 transitions. [2021-12-18 14:52:04,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:52:04,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-18 14:52:04,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:04,622 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:52:04,622 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:52:04,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:04,926 INFO L933 BasicCegarLoop]: 8231 mSDtfsCounter, 8204 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8204 SdHoareTripleChecker+Valid, 8231 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 [2021-12-18 14:52:04,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8204 Valid, 8231 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:52:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:52:05,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:52:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.3171503315690212) internal successors, (21650), 16797 states have internal predecessors, (21650), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:52:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33982 transitions. [2021-12-18 14:52:05,943 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33982 transitions. Word has length 34 [2021-12-18 14:52:05,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:05,943 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33982 transitions. [2021-12-18 14:52:05,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33982 transitions. [2021-12-18 14:52:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-18 14:52:05,944 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:05,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:05,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-18 14:52:06,145 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 [2021-12-18 14:52:06,145 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:06,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:06,146 INFO L85 PathProgramCache]: Analyzing trace with hash 292759824, now seen corresponding path program 1 times [2021-12-18 14:52:06,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:06,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447797460] [2021-12-18 14:52:06,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:06,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:52:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:06,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:06,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447797460] [2021-12-18 14:52:06,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447797460] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:52:06,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646223846] [2021-12-18 14:52:06,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:06,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:06,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:52:06,654 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) [2021-12-18 14:52:06,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-18 14:52:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:09,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 6626 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:52:10,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:52:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:52:10,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:52:10,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646223846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:10,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:52:10,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:52:10,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040627499] [2021-12-18 14:52:10,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:10,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:52:10,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:10,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:52:10,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:10,406 INFO L87 Difference]: Start difference. First operand 23211 states and 33982 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:11,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:11,383 INFO L93 Difference]: Finished difference Result 46385 states and 69681 transitions. [2021-12-18 14:52:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:52:11,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2021-12-18 14:52:11,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:11,524 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:52:11,524 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:52:11,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:11,782 INFO L933 BasicCegarLoop]: 8230 mSDtfsCounter, 8202 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8202 SdHoareTripleChecker+Valid, 8230 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 [2021-12-18 14:52:11,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8202 Valid, 8230 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:52:11,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:52:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:52:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.3169069781590315) internal successors, (21646), 16797 states have internal predecessors, (21646), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:52:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33978 transitions. [2021-12-18 14:52:12,771 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33978 transitions. Word has length 35 [2021-12-18 14:52:12,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:12,772 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33978 transitions. [2021-12-18 14:52:12,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:12,772 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33978 transitions. [2021-12-18 14:52:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-18 14:52:12,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:12,773 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:12,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-18 14:52:12,973 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 [2021-12-18 14:52:12,973 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:12,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:12,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2074080332, now seen corresponding path program 1 times [2021-12-18 14:52:12,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:12,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512916639] [2021-12-18 14:52:12,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:12,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:52:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:13,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:13,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512916639] [2021-12-18 14:52:13,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512916639] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:52:13,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798721635] [2021-12-18 14:52:13,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:13,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:13,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:52:13,440 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) [2021-12-18 14:52:13,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-18 14:52:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:16,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 6627 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:52:16,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:52:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:52:17,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:52:17,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798721635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:17,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:52:17,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:52:17,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760535109] [2021-12-18 14:52:17,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:17,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:52:17,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:17,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:52:17,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:17,144 INFO L87 Difference]: Start difference. First operand 23211 states and 33978 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:18,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:18,092 INFO L93 Difference]: Finished difference Result 46385 states and 69673 transitions. [2021-12-18 14:52:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:52:18,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2021-12-18 14:52:18,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:18,234 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:52:18,234 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:52:18,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:18,387 INFO L933 BasicCegarLoop]: 8229 mSDtfsCounter, 8200 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8200 SdHoareTripleChecker+Valid, 8229 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 [2021-12-18 14:52:18,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8200 Valid, 8229 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:52:18,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:52:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:52:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.3166636247490417) internal successors, (21642), 16797 states have internal predecessors, (21642), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:52:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33974 transitions. [2021-12-18 14:52:19,450 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33974 transitions. Word has length 36 [2021-12-18 14:52:19,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:19,451 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33974 transitions. [2021-12-18 14:52:19,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33974 transitions. [2021-12-18 14:52:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-18 14:52:19,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:19,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:19,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-18 14:52:19,667 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 [2021-12-18 14:52:19,667 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:19,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:19,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1574957836, now seen corresponding path program 1 times [2021-12-18 14:52:19,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:19,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687672295] [2021-12-18 14:52:19,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:19,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:52:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:20,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:20,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687672295] [2021-12-18 14:52:20,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687672295] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:52:20,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311065775] [2021-12-18 14:52:20,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:20,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:20,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:52:20,133 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) [2021-12-18 14:52:20,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-18 14:52:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:23,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 6628 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:52:23,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:52:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:52:24,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:52:24,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311065775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:24,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:52:24,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:52:24,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114316797] [2021-12-18 14:52:24,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:24,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:52:24,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:24,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:52:24,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:24,008 INFO L87 Difference]: Start difference. First operand 23211 states and 33974 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:25,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:25,081 INFO L93 Difference]: Finished difference Result 46385 states and 69665 transitions. [2021-12-18 14:52:25,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:52:25,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2021-12-18 14:52:25,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:25,204 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:52:25,204 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:52:25,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:25,334 INFO L933 BasicCegarLoop]: 8228 mSDtfsCounter, 8198 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8198 SdHoareTripleChecker+Valid, 8228 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 [2021-12-18 14:52:25,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8198 Valid, 8228 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:52:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:52:26,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:52:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.316420271339052) internal successors, (21638), 16797 states have internal predecessors, (21638), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:52:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33970 transitions. [2021-12-18 14:52:26,423 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33970 transitions. Word has length 37 [2021-12-18 14:52:26,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:26,423 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33970 transitions. [2021-12-18 14:52:26,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33970 transitions. [2021-12-18 14:52:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-18 14:52:26,424 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:26,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:26,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-18 14:52:26,639 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 [2021-12-18 14:52:26,639 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:26,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:26,640 INFO L85 PathProgramCache]: Analyzing trace with hash -898421048, now seen corresponding path program 1 times [2021-12-18 14:52:26,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:26,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064796019] [2021-12-18 14:52:26,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:26,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:27,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:52:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:27,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:27,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064796019] [2021-12-18 14:52:27,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064796019] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:52:27,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721991913] [2021-12-18 14:52:27,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:27,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:27,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:52:27,137 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) [2021-12-18 14:52:27,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-18 14:52:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:30,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 6629 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:52:30,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:52:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:52:31,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:52:31,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721991913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:31,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:52:31,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:52:31,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648375027] [2021-12-18 14:52:31,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:31,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:52:31,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:31,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:52:31,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:31,020 INFO L87 Difference]: Start difference. First operand 23211 states and 33970 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:32,067 INFO L93 Difference]: Finished difference Result 46385 states and 69657 transitions. [2021-12-18 14:52:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:52:32,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2021-12-18 14:52:32,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:32,182 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:52:32,182 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:52:32,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:32,304 INFO L933 BasicCegarLoop]: 8227 mSDtfsCounter, 8196 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8196 SdHoareTripleChecker+Valid, 8227 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 [2021-12-18 14:52:32,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8196 Valid, 8227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:52:32,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:52:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:52:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.3161769179290626) internal successors, (21634), 16797 states have internal predecessors, (21634), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:52:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33966 transitions. [2021-12-18 14:52:33,411 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33966 transitions. Word has length 38 [2021-12-18 14:52:33,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:33,411 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33966 transitions. [2021-12-18 14:52:33,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33966 transitions. [2021-12-18 14:52:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-18 14:52:33,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:33,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:33,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-18 14:52:33,612 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 [2021-12-18 14:52:33,613 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:33,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:33,613 INFO L85 PathProgramCache]: Analyzing trace with hash -149238520, now seen corresponding path program 1 times [2021-12-18 14:52:33,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:33,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430351146] [2021-12-18 14:52:33,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:33,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:52:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:34,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430351146] [2021-12-18 14:52:34,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430351146] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:52:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688678436] [2021-12-18 14:52:34,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:34,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:34,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:52:34,096 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) [2021-12-18 14:52:34,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-18 14:52:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:37,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 6630 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:52:37,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:52:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-18 14:52:38,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:52:38,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688678436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:38,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:52:38,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-18 14:52:38,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971002748] [2021-12-18 14:52:38,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:38,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:52:38,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:38,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:52:38,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:38,222 INFO L87 Difference]: Start difference. First operand 23211 states and 33966 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:39,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:39,144 INFO L93 Difference]: Finished difference Result 46385 states and 69649 transitions. [2021-12-18 14:52:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:52:39,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2021-12-18 14:52:39,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:39,265 INFO L225 Difference]: With dead ends: 46385 [2021-12-18 14:52:39,265 INFO L226 Difference]: Without dead ends: 23211 [2021-12-18 14:52:39,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:39,395 INFO L933 BasicCegarLoop]: 8226 mSDtfsCounter, 8194 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8194 SdHoareTripleChecker+Valid, 8226 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 [2021-12-18 14:52:39,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8194 Valid, 8226 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:52:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-12-18 14:52:40,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23211. [2021-12-18 14:52:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 16437 states have (on average 1.3159335645190728) internal successors, (21630), 16797 states have internal predecessors, (21630), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:52:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 33962 transitions. [2021-12-18 14:52:40,550 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 33962 transitions. Word has length 39 [2021-12-18 14:52:40,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:40,550 INFO L470 AbstractCegarLoop]: Abstraction has 23211 states and 33962 transitions. [2021-12-18 14:52:40,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 33962 transitions. [2021-12-18 14:52:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-18 14:52:40,551 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:40,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:40,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-12-18 14:52:40,751 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 [2021-12-18 14:52:40,751 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:40,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:40,752 INFO L85 PathProgramCache]: Analyzing trace with hash -120609369, now seen corresponding path program 1 times [2021-12-18 14:52:40,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:40,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591126373] [2021-12-18 14:52:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:40,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:41,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 14:52:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:41,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:41,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591126373] [2021-12-18 14:52:41,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591126373] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:52:41,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710888818] [2021-12-18 14:52:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:41,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:41,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:52:41,209 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 14:52:41,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-18 14:52:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:44,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 6629 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 14:52:44,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:52:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:45,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 14:52:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 14:52:45,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710888818] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 14:52:45,255 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 14:52:45,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-18 14:52:45,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996697634] [2021-12-18 14:52:45,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 14:52:45,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 14:52:45,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:45,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 14:52:45,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:52:45,256 INFO L87 Difference]: Start difference. First operand 23211 states and 33962 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-18 14:52:46,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:46,949 INFO L93 Difference]: Finished difference Result 46470 states and 68004 transitions. [2021-12-18 14:52:46,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:52:46,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2021-12-18 14:52:46,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:47,081 INFO L225 Difference]: With dead ends: 46470 [2021-12-18 14:52:47,081 INFO L226 Difference]: Without dead ends: 23267 [2021-12-18 14:52:47,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:52:47,184 INFO L933 BasicCegarLoop]: 8214 mSDtfsCounter, 96 mSDsluCounter, 32825 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 41039 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 14:52:47,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 41039 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 14:52:47,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23267 states. [2021-12-18 14:52:48,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23267 to 23253. [2021-12-18 14:52:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23253 states, 16479 states have (on average 1.3160992778688028) internal successors, (21688), 16839 states have internal predecessors, (21688), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2021-12-18 14:52:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23253 states to 23253 states and 34020 transitions. [2021-12-18 14:52:48,264 INFO L78 Accepts]: Start accepts. Automaton has 23253 states and 34020 transitions. Word has length 39 [2021-12-18 14:52:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:48,265 INFO L470 AbstractCegarLoop]: Abstraction has 23253 states and 34020 transitions. [2021-12-18 14:52:48,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-18 14:52:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 23253 states and 34020 transitions. [2021-12-18 14:52:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-18 14:52:48,266 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:48,266 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:48,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-18 14:52:48,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:52:48,467 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:48,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:48,468 INFO L85 PathProgramCache]: Analyzing trace with hash 413175195, now seen corresponding path program 2 times [2021-12-18 14:52:48,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:48,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617173867] [2021-12-18 14:52:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:48,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 14:52:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-18 14:52:49,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:49,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617173867] [2021-12-18 14:52:49,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617173867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:49,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:52:49,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:52:49,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281881132] [2021-12-18 14:52:49,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:49,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:52:49,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:49,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:52:49,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:49,338 INFO L87 Difference]: Start difference. First operand 23253 states and 34020 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:52:50,227 INFO L93 Difference]: Finished difference Result 23275 states and 34059 transitions. [2021-12-18 14:52:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:52:50,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2021-12-18 14:52:50,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:52:50,316 INFO L225 Difference]: With dead ends: 23275 [2021-12-18 14:52:50,316 INFO L226 Difference]: Without dead ends: 23273 [2021-12-18 14:52:50,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:52:50,331 INFO L933 BasicCegarLoop]: 8230 mSDtfsCounter, 3 mSDsluCounter, 24684 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32914 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:52:50,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 32914 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:52:50,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23273 states. [2021-12-18 14:52:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23273 to 23265. [2021-12-18 14:52:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23265 states, 16488 states have (on average 1.3158660844250365) internal successors, (21696), 16848 states have internal predecessors, (21696), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1254 states have return successors, (6817), 5404 states have call predecessors, (6817), 5521 states have call successors, (6817) [2021-12-18 14:52:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23265 states to 23265 states and 34034 transitions. [2021-12-18 14:52:51,355 INFO L78 Accepts]: Start accepts. Automaton has 23265 states and 34034 transitions. Word has length 45 [2021-12-18 14:52:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:52:51,355 INFO L470 AbstractCegarLoop]: Abstraction has 23265 states and 34034 transitions. [2021-12-18 14:52:51,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 14:52:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 23265 states and 34034 transitions. [2021-12-18 14:52:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-18 14:52:51,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:52:51,364 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:52:51,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 14:52:51,364 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:52:51,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:52:51,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2052366283, now seen corresponding path program 1 times [2021-12-18 14:52:51,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:52:51,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051748930] [2021-12-18 14:52:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:52:51,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:52:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 14:52:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:52:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 14:52:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 14:52:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:52:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 14:52:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:52:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:52:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 14:52:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:52:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:52:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 14:52:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:52:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:52:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 14:52:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 14:52:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 14:52:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 14:52:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 14:52:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 14:52:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 14:52:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 14:52:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 14:52:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 14:52:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:52:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:52:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 14:52:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 14:52:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 14:52:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:52:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-18 14:52:53,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:52:53,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051748930] [2021-12-18 14:52:53,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051748930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:52:53,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:52:53,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 14:52:53,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386398431] [2021-12-18 14:52:53,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:52:53,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 14:52:53,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:52:53,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 14:52:53,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-18 14:52:53,034 INFO L87 Difference]: Start difference. First operand 23265 states and 34034 transitions. Second operand has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 14:52:55,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:54:10,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:54:10,631 INFO L93 Difference]: Finished difference Result 52463 states and 80042 transitions. [2021-12-18 14:54:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 14:54:10,633 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 289 [2021-12-18 14:54:10,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:54:10,782 INFO L225 Difference]: With dead ends: 52463 [2021-12-18 14:54:10,782 INFO L226 Difference]: Without dead ends: 29293 [2021-12-18 14:54:10,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-12-18 14:54:10,916 INFO L933 BasicCegarLoop]: 7480 mSDtfsCounter, 7149 mSDsluCounter, 26642 mSDsCounter, 0 mSdLazyCounter, 11698 mSolverCounterSat, 6069 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7718 SdHoareTripleChecker+Valid, 34122 SdHoareTripleChecker+Invalid, 17768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6069 IncrementalHoareTripleChecker+Valid, 11698 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:54:10,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7718 Valid, 34122 Invalid, 17768 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6069 Valid, 11698 Invalid, 1 Unknown, 0 Unchecked, 74.9s Time] [2021-12-18 14:54:10,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29293 states. [2021-12-18 14:54:12,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29293 to 25873. [2021-12-18 14:54:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25873 states, 18436 states have (on average 1.3155782165328704) internal successors, (24254), 18908 states have internal predecessors, (24254), 5941 states have call successors, (5941), 1255 states have call predecessors, (5941), 1494 states have return successors, (8036), 5960 states have call predecessors, (8036), 5941 states have call successors, (8036) [2021-12-18 14:54:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25873 states to 25873 states and 38231 transitions. [2021-12-18 14:54:12,365 INFO L78 Accepts]: Start accepts. Automaton has 25873 states and 38231 transitions. Word has length 289 [2021-12-18 14:54:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:54:12,365 INFO L470 AbstractCegarLoop]: Abstraction has 25873 states and 38231 transitions. [2021-12-18 14:54:12,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 14:54:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 25873 states and 38231 transitions. [2021-12-18 14:54:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-18 14:54:12,379 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:54:12,379 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:54:12,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 14:54:12,379 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:54:12,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:54:12,380 INFO L85 PathProgramCache]: Analyzing trace with hash -480282546, now seen corresponding path program 1 times [2021-12-18 14:54:12,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:54:12,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690097342] [2021-12-18 14:54:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:54:12,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:54:12,694 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 14:54:12,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53377425] [2021-12-18 14:54:12,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:54:12,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:54:12,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:54:12,696 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 14:54:12,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-18 14:54:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:16,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 8641 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 14:54:16,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:54:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-12-18 14:54:17,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:54:17,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:54:17,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690097342] [2021-12-18 14:54:17,350 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 14:54:17,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53377425] [2021-12-18 14:54:17,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53377425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:54:17,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:54:17,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 14:54:17,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051019119] [2021-12-18 14:54:17,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:54:17,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 14:54:17,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:54:17,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 14:54:17,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:54:17,352 INFO L87 Difference]: Start difference. First operand 25873 states and 38231 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 14:54:19,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:54:19,352 INFO L93 Difference]: Finished difference Result 52335 states and 79092 transitions. [2021-12-18 14:54:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 14:54:19,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 375 [2021-12-18 14:54:19,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:54:19,539 INFO L225 Difference]: With dead ends: 52335 [2021-12-18 14:54:19,539 INFO L226 Difference]: Without dead ends: 26557 [2021-12-18 14:54:19,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 14:54:19,832 INFO L933 BasicCegarLoop]: 8289 mSDtfsCounter, 169 mSDsluCounter, 8205 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 16494 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 14:54:19,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 16494 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 14:54:19,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26557 states. [2021-12-18 14:54:20,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26557 to 25885. [2021-12-18 14:54:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25885 states, 18448 states have (on average 1.3153729401561145) internal successors, (24266), 18920 states have internal predecessors, (24266), 5941 states have call successors, (5941), 1255 states have call predecessors, (5941), 1494 states have return successors, (8036), 5960 states have call predecessors, (8036), 5941 states have call successors, (8036) [2021-12-18 14:54:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25885 states to 25885 states and 38243 transitions. [2021-12-18 14:54:21,029 INFO L78 Accepts]: Start accepts. Automaton has 25885 states and 38243 transitions. Word has length 375 [2021-12-18 14:54:21,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:54:21,030 INFO L470 AbstractCegarLoop]: Abstraction has 25885 states and 38243 transitions. [2021-12-18 14:54:21,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 14:54:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 25885 states and 38243 transitions. [2021-12-18 14:54:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-18 14:54:21,044 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:54:21,044 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:54:21,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-18 14:54:21,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:54:21,256 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:54:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:54:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1338850452, now seen corresponding path program 1 times [2021-12-18 14:54:21,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:54:21,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751522507] [2021-12-18 14:54:21,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:54:21,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:54:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 14:54:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:54:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 14:54:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 14:54:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:54:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 14:54:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:54:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:54:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 14:54:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:54:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:54:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 14:54:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:54:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:54:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 14:54:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:54:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:54:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 14:54:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:54:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:54:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 14:54:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 14:54:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 14:54:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 14:54:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 14:54:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 14:54:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 14:54:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 14:54:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:54:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 14:54:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:54:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-12-18 14:54:22,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:54:22,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751522507] [2021-12-18 14:54:22,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751522507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:54:22,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:54:22,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:54:22,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028368631] [2021-12-18 14:54:22,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:54:22,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:54:22,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:54:22,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:54:22,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:54:22,609 INFO L87 Difference]: Start difference. First operand 25885 states and 38243 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 14:54:24,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:54:26,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:54:29,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:54:35,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:54:37,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:54:53,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:54:55,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:54:58,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:00,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:01,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:03,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:05,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:07,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:36,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:38,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:55:40,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:16,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:18,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:21,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:24,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:26,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:28,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:31,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:33,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:36,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:56:36,007 INFO L93 Difference]: Finished difference Result 58507 states and 89978 transitions. [2021-12-18 14:56:36,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:56:36,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 336 [2021-12-18 14:56:36,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:56:36,214 INFO L225 Difference]: With dead ends: 58507 [2021-12-18 14:56:36,214 INFO L226 Difference]: Without dead ends: 32717 [2021-12-18 14:56:36,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-12-18 14:56:36,518 INFO L933 BasicCegarLoop]: 7274 mSDtfsCounter, 14205 mSDsluCounter, 9614 mSDsCounter, 0 mSdLazyCounter, 8934 mSolverCounterSat, 7384 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15069 SdHoareTripleChecker+Valid, 16888 SdHoareTripleChecker+Invalid, 16340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7384 IncrementalHoareTripleChecker+Valid, 8934 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.4s IncrementalHoareTripleChecker+Time [2021-12-18 14:56:36,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15069 Valid, 16888 Invalid, 16340 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7384 Valid, 8934 Invalid, 22 Unknown, 0 Unchecked, 130.4s Time] [2021-12-18 14:56:36,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32717 states. [2021-12-18 14:56:37,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32717 to 29509. [2021-12-18 14:56:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29509 states, 21178 states have (on average 1.3195769194447067) internal successors, (27946), 21792 states have internal predecessors, (27946), 6625 states have call successors, (6625), 1255 states have call predecessors, (6625), 1704 states have return successors, (9808), 6748 states have call predecessors, (9808), 6625 states have call successors, (9808) [2021-12-18 14:56:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29509 states to 29509 states and 44379 transitions. [2021-12-18 14:56:38,002 INFO L78 Accepts]: Start accepts. Automaton has 29509 states and 44379 transitions. Word has length 336 [2021-12-18 14:56:38,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:56:38,002 INFO L470 AbstractCegarLoop]: Abstraction has 29509 states and 44379 transitions. [2021-12-18 14:56:38,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 14:56:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29509 states and 44379 transitions. [2021-12-18 14:56:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-12-18 14:56:38,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:56:38,016 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:56:38,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 14:56:38,016 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:56:38,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:56:38,016 INFO L85 PathProgramCache]: Analyzing trace with hash 511654972, now seen corresponding path program 1 times [2021-12-18 14:56:38,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:56:38,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135343067] [2021-12-18 14:56:38,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:56:38,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:56:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 14:56:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:56:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 14:56:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 14:56:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:56:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 14:56:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:56:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:56:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 14:56:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:56:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:56:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 14:56:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:56:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:56:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 14:56:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 14:56:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 14:56:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 14:56:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 14:56:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 14:56:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 14:56:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 14:56:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 14:56:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 14:56:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:56:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 14:56:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 14:56:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 14:56:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 14:56:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 14:56:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 14:56:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:56:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 14:56:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 14:56:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 14:56:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:56:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-18 14:56:40,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:56:40,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135343067] [2021-12-18 14:56:40,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135343067] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:56:40,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:56:40,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 14:56:40,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600521670] [2021-12-18 14:56:40,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:56:40,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 14:56:40,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:56:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 14:56:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-18 14:56:40,218 INFO L87 Difference]: Start difference. First operand 29509 states and 44379 transitions. Second operand has 12 states, 12 states have (on average 14.25) internal successors, (171), 5 states have internal predecessors, (171), 2 states have call successors, (44), 7 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-18 14:56:42,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:44,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:46,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:49,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:56:51,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:57:09,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:57:11,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:57:13,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:57:15,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:57:17,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:16,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:58:18,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:58:20,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:58:29,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:31,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:33,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:36,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:38,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:39,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:41,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:43,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:45,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:58:47,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15