./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a --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 b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 13:51:39,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:51:39,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:51:39,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:51:39,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:51:39,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:51:39,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:51:39,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:51:39,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:51:39,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:51:39,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:51:39,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:51:39,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:51:39,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:51:39,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:51:39,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:51:39,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:51:39,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:51:39,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:51:39,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:51:39,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:51:39,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:51:39,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:51:39,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:51:39,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:51:39,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:51:39,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:51:39,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:51:39,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:51:39,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:51:39,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:51:39,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:51:39,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:51:39,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:51:39,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:51:39,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:51:39,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:51:39,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:51:39,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:51:39,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:51:39,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:51:39,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:51:39,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:51:39,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:51:39,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:51:39,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:51:39,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:51:39,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:51:39,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:51:39,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:51:39,532 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:51:39,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:51:39,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:51:39,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:51:39,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:51:39,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:51:39,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:51:39,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:51:39,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:51:39,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:51:39,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:51:39,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:51:39,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:51:39,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:51:39,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:51:39,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:51:39,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:51:39,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:51:39,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:51:39,538 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:51:39,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:51:39,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:51:39,538 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 [2022-11-21 13:51:39,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:51:39,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:51:39,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:51:39,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:51:39,797 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:51:39,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-11-21 13:51:42,928 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:51:43,647 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:51:43,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-11-21 13:51:43,716 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/data/99503452a/8ddea06142d64842a927e9bb157c174a/FLAGe9dcb26c8 [2022-11-21 13:51:43,735 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/data/99503452a/8ddea06142d64842a927e9bb157c174a [2022-11-21 13:51:43,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:51:43,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:51:43,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:51:43,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:51:43,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:51:43,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:51:43" (1/1) ... [2022-11-21 13:51:43,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ce7b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:43, skipping insertion in model container [2022-11-21 13:51:43,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:51:43" (1/1) ... [2022-11-21 13:51:43,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:51:43,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:51:47,304 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-11-21 13:51:47,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-11-21 13:51:47,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:51:47,399 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:51:47,784 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-11-21 13:51:47,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-11-21 13:51:47,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:51:47,986 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:51:47,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47 WrapperNode [2022-11-21 13:51:47,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:51:47,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:51:47,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:51:47,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:51:47,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,330 INFO L138 Inliner]: procedures = 421, calls = 1839, calls flagged for inlining = 205, calls inlined = 179, statements flattened = 4225 [2022-11-21 13:51:48,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:51:48,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:51:48,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:51:48,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:51:48,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:51:48,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:51:48,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:51:48,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:51:48,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (1/1) ... [2022-11-21 13:51:48,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:51:48,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:51:48,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:51:48,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26540aa1-46f2-4f94-b2b6-52f25a69aa74/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:51:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure build_crc [2022-11-21 13:51:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure build_crc [2022-11-21 13:51:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_set_multicast_list [2022-11-21 13:51:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_set_multicast_list [2022-11-21 13:51:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 13:51:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 13:51:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-21 13:51:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-21 13:51:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 13:51:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 13:51:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irqsave [2022-11-21 13:51:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irqsave [2022-11-21 13:51:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-21 13:51:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-21 13:51:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 13:51:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 13:51:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure free_orinocodev [2022-11-21 13:51:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure free_orinocodev [2022-11-21 13:51:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 13:51:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 13:51:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 13:51:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 13:51:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 13:51:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 13:51:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_8051_cpucs [2022-11-21 13:51:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_8051_cpucs [2022-11-21 13:51:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:51:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 13:51:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 13:51:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_unlock [2022-11-21 13:51:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_unlock [2022-11-21 13:51:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_open [2022-11-21 13:51:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_open [2022-11-21 13:51:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 13:51:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 13:51:48,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-21 13:51:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-21 13:51:48,675 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irqrestore [2022-11-21 13:51:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irqrestore [2022-11-21 13:51:48,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 13:51:48,675 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_disconnect [2022-11-21 13:51:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_disconnect [2022-11-21 13:51:48,676 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 13:51:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 13:51:48,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 13:51:48,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 13:51:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 13:51:48,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:51:48,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-21 13:51:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-21 13:51:48,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 13:51:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 13:51:48,678 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_init [2022-11-21 13:51:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_init [2022-11-21 13:51:48,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-21 13:51:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-21 13:51:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 13:51:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 13:51:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 13:51:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 13:51:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_hard_reset [2022-11-21 13:51:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_hard_reset [2022-11-21 13:51:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 13:51:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 13:51:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 13:51:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-21 13:51:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-21 13:51:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:51:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 13:51:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 13:51:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 13:51:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 13:51:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:51:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:51:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-21 13:51:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-21 13:51:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-21 13:51:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-21 13:51:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_request_context_put [2022-11-21 13:51:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_request_context_put [2022-11-21 13:51:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-21 13:51:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-21 13:51:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-21 13:51:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-21 13:51:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_submit_in_urb [2022-11-21 13:51:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_submit_in_urb [2022-11-21 13:51:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-21 13:51:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-21 13:51:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 13:51:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 13:51:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irq [2022-11-21 13:51:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irq [2022-11-21 13:51:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:51:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:51:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure ndev_priv [2022-11-21 13:51:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ndev_priv [2022-11-21 13:51:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-21 13:51:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-21 13:51:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 13:51:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 13:51:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 13:51:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 13:51:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-21 13:51:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-21 13:51:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irq [2022-11-21 13:51:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irq [2022-11-21 13:51:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:51:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 13:51:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 13:51:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-21 13:51:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-21 13:51:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 13:51:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-21 13:51:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-21 13:51:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2022-11-21 13:51:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2022-11-21 13:51:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 13:51:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_tx_timeout [2022-11-21 13:51:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_tx_timeout [2022-11-21 13:51:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_program_end [2022-11-21 13:51:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_program_end [2022-11-21 13:51:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-21 13:51:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-21 13:51:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 13:51:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 13:51:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 13:51:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 13:51:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-11-21 13:51:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-11-21 13:51:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_stop [2022-11-21 13:51:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_stop [2022-11-21 13:51:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_access_ltv [2022-11-21 13:51:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_access_ltv [2022-11-21 13:51:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 13:51:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 13:51:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_write_ltv [2022-11-21 13:51:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_write_ltv [2022-11-21 13:51:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_mod_timer [2022-11-21 13:51:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_mod_timer [2022-11-21 13:51:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-21 13:51:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-21 13:51:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-21 13:51:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-21 13:51:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 13:51:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 13:51:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_req_queue_run [2022-11-21 13:51:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_req_queue_run [2022-11-21 13:51:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 13:51:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 13:51:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2022-11-21 13:51:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2022-11-21 13:51:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_ctx_complete [2022-11-21 13:51:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_ctx_complete [2022-11-21 13:51:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_delete [2022-11-21 13:51:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_delete [2022-11-21 13:51:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:51:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_alloc_ctx [2022-11-21 13:51:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_alloc_ctx [2022-11-21 13:51:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 13:51:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 13:51:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 13:51:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 13:51:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_reply_inc [2022-11-21 13:51:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_reply_inc [2022-11-21 13:51:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-11-21 13:51:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-11-21 13:51:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_docmd_wait [2022-11-21 13:51:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_docmd_wait [2022-11-21 13:51:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 13:51:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 13:51:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-11-21 13:51:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-11-21 13:51:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:51:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 13:51:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 13:51:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_complete_all [2022-11-21 13:51:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_complete_all [2022-11-21 13:51:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 13:51:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 13:51:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-21 13:51:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-21 13:51:49,638 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:51:49,645 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:51:50,194 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 13:51:53,368 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-21 13:51:53,534 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:51:53,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:51:53,555 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 13:51:53,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:51:53 BoogieIcfgContainer [2022-11-21 13:51:53,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:51:53,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:51:53,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:51:53,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:51:53,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:51:43" (1/3) ... [2022-11-21 13:51:53,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d38ccae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:51:53, skipping insertion in model container [2022-11-21 13:51:53,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:47" (2/3) ... [2022-11-21 13:51:53,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d38ccae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:51:53, skipping insertion in model container [2022-11-21 13:51:53,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:51:53" (3/3) ... [2022-11-21 13:51:53,569 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-11-21 13:51:53,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:51:53,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 13:51:53,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:51:53,754 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52ed494c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:51:53,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 13:51:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 1460 states, 1020 states have (on average 1.2970588235294118) internal successors, (1323), 1033 states have internal predecessors, (1323), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) [2022-11-21 13:51:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-21 13:51:53,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:53,808 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:51:53,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:51:53,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:53,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1593285275, now seen corresponding path program 1 times [2022-11-21 13:51:53,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:53,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873510519] [2022-11-21 13:51:53,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:53,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:51:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:51:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:51:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:51:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:51:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:51:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:51:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:51:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:51:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:51:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:51:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:51:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:51:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:51:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:51:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:51:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-21 13:51:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 13:51:55,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:55,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873510519] [2022-11-21 13:51:55,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873510519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:55,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:55,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:51:55,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201104349] [2022-11-21 13:51:55,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:55,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:51:55,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:55,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:51:55,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:51:55,578 INFO L87 Difference]: Start difference. First operand has 1460 states, 1020 states have (on average 1.2970588235294118) internal successors, (1323), 1033 states have internal predecessors, (1323), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-21 13:52:00,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:00,907 INFO L93 Difference]: Finished difference Result 4347 states and 6270 transitions. [2022-11-21 13:52:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:52:00,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 203 [2022-11-21 13:52:00,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:00,971 INFO L225 Difference]: With dead ends: 4347 [2022-11-21 13:52:00,971 INFO L226 Difference]: Without dead ends: 2843 [2022-11-21 13:52:00,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:00,999 INFO L413 NwaCegarLoop]: 1755 mSDtfsCounter, 2334 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 1028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 4029 SdHoareTripleChecker+Invalid, 3170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1028 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:01,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 4029 Invalid, 3170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1028 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-21 13:52:01,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-11-21 13:52:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2571. [2022-11-21 13:52:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 1825 states have (on average 1.2783561643835617) internal successors, (2333), 1851 states have internal predecessors, (2333), 589 states have call successors, (589), 156 states have call predecessors, (589), 156 states have return successors, (589), 579 states have call predecessors, (589), 589 states have call successors, (589) [2022-11-21 13:52:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3511 transitions. [2022-11-21 13:52:01,301 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3511 transitions. Word has length 203 [2022-11-21 13:52:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:01,304 INFO L495 AbstractCegarLoop]: Abstraction has 2571 states and 3511 transitions. [2022-11-21 13:52:01,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-21 13:52:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3511 transitions. [2022-11-21 13:52:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-21 13:52:01,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:01,324 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:52:01,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:52:01,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:01,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:01,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1775116566, now seen corresponding path program 1 times [2022-11-21 13:52:01,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:01,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464653376] [2022-11-21 13:52:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:01,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:52:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:52:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:52:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:52:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:52:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:52:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:52:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:52:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:52:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 13:52:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 13:52:02,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:02,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464653376] [2022-11-21 13:52:02,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464653376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:02,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:02,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:52:02,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330395054] [2022-11-21 13:52:02,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:02,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:52:02,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:02,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:52:02,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:52:02,375 INFO L87 Difference]: Start difference. First operand 2571 states and 3511 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-21 13:52:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:07,005 INFO L93 Difference]: Finished difference Result 7336 states and 10160 transitions. [2022-11-21 13:52:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:52:07,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 209 [2022-11-21 13:52:07,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:07,047 INFO L225 Difference]: With dead ends: 7336 [2022-11-21 13:52:07,047 INFO L226 Difference]: Without dead ends: 4800 [2022-11-21 13:52:07,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:07,068 INFO L413 NwaCegarLoop]: 1782 mSDtfsCounter, 1890 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2044 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 4061 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 2044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:07,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 4061 Invalid, 2836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [792 Valid, 2044 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-21 13:52:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2022-11-21 13:52:07,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4345. [2022-11-21 13:52:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 3098 states have (on average 1.2756617172369271) internal successors, (3952), 3148 states have internal predecessors, (3952), 971 states have call successors, (971), 275 states have call predecessors, (971), 275 states have return successors, (971), 947 states have call predecessors, (971), 971 states have call successors, (971) [2022-11-21 13:52:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5894 transitions. [2022-11-21 13:52:07,351 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5894 transitions. Word has length 209 [2022-11-21 13:52:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:07,353 INFO L495 AbstractCegarLoop]: Abstraction has 4345 states and 5894 transitions. [2022-11-21 13:52:07,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-21 13:52:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5894 transitions. [2022-11-21 13:52:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-21 13:52:07,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:07,360 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2022-11-21 13:52:07,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:52:07,361 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:07,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:07,361 INFO L85 PathProgramCache]: Analyzing trace with hash 22334227, now seen corresponding path program 1 times [2022-11-21 13:52:07,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:07,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88663114] [2022-11-21 13:52:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:07,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:52:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:52:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:52:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:52:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:52:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:52:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:52:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:52:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:52:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 13:52:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-21 13:52:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-21 13:52:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-11-21 13:52:08,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:08,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88663114] [2022-11-21 13:52:08,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88663114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:08,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:08,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:52:08,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770010767] [2022-11-21 13:52:08,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:08,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:52:08,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:08,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:52:08,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:52:08,253 INFO L87 Difference]: Start difference. First operand 4345 states and 5894 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 13:52:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:13,260 INFO L93 Difference]: Finished difference Result 11163 states and 15334 transitions. [2022-11-21 13:52:13,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:52:13,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2022-11-21 13:52:13,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:13,307 INFO L225 Difference]: With dead ends: 11163 [2022-11-21 13:52:13,307 INFO L226 Difference]: Without dead ends: 6853 [2022-11-21 13:52:13,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:13,329 INFO L413 NwaCegarLoop]: 1600 mSDtfsCounter, 2335 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 973 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 3771 SdHoareTripleChecker+Invalid, 2831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:13,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 3771 Invalid, 2831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [973 Valid, 1858 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-21 13:52:13,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6853 states. [2022-11-21 13:52:13,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6853 to 6181. [2022-11-21 13:52:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6181 states, 4411 states have (on average 1.2731806846520064) internal successors, (5616), 4484 states have internal predecessors, (5616), 1359 states have call successors, (1359), 410 states have call predecessors, (1359), 410 states have return successors, (1359), 1325 states have call predecessors, (1359), 1359 states have call successors, (1359) [2022-11-21 13:52:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6181 states to 6181 states and 8334 transitions. [2022-11-21 13:52:13,769 INFO L78 Accepts]: Start accepts. Automaton has 6181 states and 8334 transitions. Word has length 225 [2022-11-21 13:52:13,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:13,774 INFO L495 AbstractCegarLoop]: Abstraction has 6181 states and 8334 transitions. [2022-11-21 13:52:13,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 13:52:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 6181 states and 8334 transitions. [2022-11-21 13:52:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-21 13:52:13,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:13,781 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2022-11-21 13:52:13,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:52:13,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:13,782 INFO L85 PathProgramCache]: Analyzing trace with hash 241435009, now seen corresponding path program 1 times [2022-11-21 13:52:13,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:13,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596391093] [2022-11-21 13:52:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:13,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:52:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:52:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:52:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:52:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:52:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:52:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:52:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:52:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:52:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 13:52:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 13:52:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-21 13:52:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-11-21 13:52:14,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:14,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596391093] [2022-11-21 13:52:14,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596391093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:14,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:14,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:52:14,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948456406] [2022-11-21 13:52:14,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:14,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:52:14,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:14,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:52:14,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:52:14,530 INFO L87 Difference]: Start difference. First operand 6181 states and 8334 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 13:52:19,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:19,458 INFO L93 Difference]: Finished difference Result 16520 states and 22629 transitions. [2022-11-21 13:52:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:52:19,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 232 [2022-11-21 13:52:19,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:19,529 INFO L225 Difference]: With dead ends: 16520 [2022-11-21 13:52:19,529 INFO L226 Difference]: Without dead ends: 10374 [2022-11-21 13:52:19,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:19,561 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 2335 mSDsluCounter, 2767 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 5222 SdHoareTripleChecker+Invalid, 3023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:19,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 5222 Invalid, 3023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [787 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-21 13:52:19,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10374 states. [2022-11-21 13:52:20,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10374 to 9383. [2022-11-21 13:52:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9383 states, 6700 states have (on average 1.2723880597014925) internal successors, (8525), 6809 states have internal predecessors, (8525), 2061 states have call successors, (2061), 621 states have call predecessors, (2061), 621 states have return successors, (2061), 2009 states have call predecessors, (2061), 2061 states have call successors, (2061) [2022-11-21 13:52:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9383 states to 9383 states and 12647 transitions. [2022-11-21 13:52:20,221 INFO L78 Accepts]: Start accepts. Automaton has 9383 states and 12647 transitions. Word has length 232 [2022-11-21 13:52:20,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:20,222 INFO L495 AbstractCegarLoop]: Abstraction has 9383 states and 12647 transitions. [2022-11-21 13:52:20,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 13:52:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 9383 states and 12647 transitions. [2022-11-21 13:52:20,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-21 13:52:20,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:20,232 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 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] [2022-11-21 13:52:20,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:52:20,233 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:20,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1859845478, now seen corresponding path program 1 times [2022-11-21 13:52:20,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:20,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140413898] [2022-11-21 13:52:20,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:20,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:52:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:52:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:52:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:52:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:52:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:52:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:52:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:52:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:52:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 13:52:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:52:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 13:52:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 13:52:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 13:52:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 13:52:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 13:52:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-21 13:52:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 13:52:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-21 13:52:21,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:21,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140413898] [2022-11-21 13:52:21,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140413898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:21,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:21,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:52:21,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089669515] [2022-11-21 13:52:21,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:21,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:52:21,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:21,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:52:21,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:52:21,098 INFO L87 Difference]: Start difference. First operand 9383 states and 12647 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-21 13:52:25,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:25,982 INFO L93 Difference]: Finished difference Result 28154 states and 38681 transitions. [2022-11-21 13:52:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:52:25,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-11-21 13:52:25,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:26,100 INFO L225 Difference]: With dead ends: 28154 [2022-11-21 13:52:26,100 INFO L226 Difference]: Without dead ends: 19492 [2022-11-21 13:52:26,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:26,148 INFO L413 NwaCegarLoop]: 2719 mSDtfsCounter, 2154 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 5682 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 709 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:26,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 5682 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [709 Valid, 2417 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-21 13:52:26,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19492 states. [2022-11-21 13:52:27,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19492 to 17607. [2022-11-21 13:52:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17607 states, 12582 states have (on average 1.2741217612462248) internal successors, (16031), 12779 states have internal predecessors, (16031), 3857 states have call successors, (3857), 1167 states have call predecessors, (3857), 1167 states have return successors, (3857), 3769 states have call predecessors, (3857), 3857 states have call successors, (3857) [2022-11-21 13:52:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17607 states to 17607 states and 23745 transitions. [2022-11-21 13:52:27,282 INFO L78 Accepts]: Start accepts. Automaton has 17607 states and 23745 transitions. Word has length 284 [2022-11-21 13:52:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:27,283 INFO L495 AbstractCegarLoop]: Abstraction has 17607 states and 23745 transitions. [2022-11-21 13:52:27,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-21 13:52:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 17607 states and 23745 transitions. [2022-11-21 13:52:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-21 13:52:27,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:27,293 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 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] [2022-11-21 13:52:27,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:52:27,294 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:27,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:27,294 INFO L85 PathProgramCache]: Analyzing trace with hash -598928228, now seen corresponding path program 1 times [2022-11-21 13:52:27,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:27,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403762299] [2022-11-21 13:52:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:27,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:52:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:52:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:52:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:52:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:52:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:52:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:52:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:52:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:52:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 13:52:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:52:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 13:52:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 13:52:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 13:52:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 13:52:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 13:52:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-21 13:52:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 13:52:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-21 13:52:27,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:27,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403762299] [2022-11-21 13:52:27,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403762299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:27,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:27,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:52:27,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838272502] [2022-11-21 13:52:27,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:27,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:52:27,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:27,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:52:27,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:52:27,973 INFO L87 Difference]: Start difference. First operand 17607 states and 23745 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-21 13:52:33,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:33,316 INFO L93 Difference]: Finished difference Result 45508 states and 62407 transitions. [2022-11-21 13:52:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:52:33,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-11-21 13:52:33,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:33,495 INFO L225 Difference]: With dead ends: 45508 [2022-11-21 13:52:33,495 INFO L226 Difference]: Without dead ends: 28550 [2022-11-21 13:52:33,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:33,687 INFO L413 NwaCegarLoop]: 2730 mSDtfsCounter, 2150 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 2421 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 5705 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 2421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:33,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 5705 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 2421 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-21 13:52:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28550 states. [2022-11-21 13:52:35,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28550 to 25767. [2022-11-21 13:52:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25767 states, 18400 states have (on average 1.2752717391304347) internal successors, (23465), 18685 states have internal predecessors, (23465), 5653 states have call successors, (5653), 1713 states have call predecessors, (5653), 1713 states have return successors, (5653), 5529 states have call predecessors, (5653), 5653 states have call successors, (5653) [2022-11-21 13:52:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25767 states to 25767 states and 34771 transitions. [2022-11-21 13:52:35,204 INFO L78 Accepts]: Start accepts. Automaton has 25767 states and 34771 transitions. Word has length 284 [2022-11-21 13:52:35,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:35,205 INFO L495 AbstractCegarLoop]: Abstraction has 25767 states and 34771 transitions. [2022-11-21 13:52:35,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-21 13:52:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 25767 states and 34771 transitions. [2022-11-21 13:52:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-11-21 13:52:35,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:35,217 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 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] [2022-11-21 13:52:35,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:52:35,218 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:35,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:35,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1035997549, now seen corresponding path program 1 times [2022-11-21 13:52:35,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:35,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369065244] [2022-11-21 13:52:35,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:35,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:52:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:52:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:52:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:52:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:52:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:52:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:52:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:52:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:52:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 13:52:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:52:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 13:52:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 13:52:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 13:52:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-21 13:52:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 13:52:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:52:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:52:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 13:52:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-21 13:52:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-21 13:52:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-11-21 13:52:36,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:36,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369065244] [2022-11-21 13:52:36,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369065244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:36,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:36,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:52:36,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999577693] [2022-11-21 13:52:36,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:36,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:52:36,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:36,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:52:36,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:36,345 INFO L87 Difference]: Start difference. First operand 25767 states and 34771 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-21 13:52:45,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:45,323 INFO L93 Difference]: Finished difference Result 73893 states and 101451 transitions. [2022-11-21 13:52:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:52:45,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 289 [2022-11-21 13:52:45,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:45,808 INFO L225 Difference]: With dead ends: 73893 [2022-11-21 13:52:45,808 INFO L226 Difference]: Without dead ends: 48083 [2022-11-21 13:52:45,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:52:45,920 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 3667 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 3519 mSolverCounterSat, 2266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 3220 SdHoareTripleChecker+Invalid, 5785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2266 IncrementalHoareTripleChecker+Valid, 3519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:45,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3872 Valid, 3220 Invalid, 5785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2266 Valid, 3519 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-21 13:52:45,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48083 states. [2022-11-21 13:52:48,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48083 to 43199. [2022-11-21 13:52:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43199 states, 30738 states have (on average 1.2709675320450258) internal successors, (39067), 31217 states have internal predecessors, (39067), 9578 states have call successors, (9578), 2884 states have call predecessors, (9578), 2882 states have return successors, (9574), 9361 states have call predecessors, (9574), 9574 states have call successors, (9574) [2022-11-21 13:52:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43199 states to 43199 states and 58219 transitions. [2022-11-21 13:52:49,334 INFO L78 Accepts]: Start accepts. Automaton has 43199 states and 58219 transitions. Word has length 289 [2022-11-21 13:52:49,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:49,335 INFO L495 AbstractCegarLoop]: Abstraction has 43199 states and 58219 transitions. [2022-11-21 13:52:49,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-21 13:52:49,336 INFO L276 IsEmpty]: Start isEmpty. Operand 43199 states and 58219 transitions. [2022-11-21 13:52:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-21 13:52:49,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:49,349 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:52:49,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 13:52:49,350 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:49,351 INFO L85 PathProgramCache]: Analyzing trace with hash -5663856, now seen corresponding path program 1 times [2022-11-21 13:52:49,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:49,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852734293] [2022-11-21 13:52:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:49,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:52:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:52:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:52:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:49,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:52:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:52:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:52:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:52:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:52:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:52:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 13:52:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:52:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 13:52:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 13:52:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-21 13:52:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-21 13:52:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-21 13:52:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-21 13:52:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-21 13:52:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 13:52:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2022-11-21 13:52:50,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:50,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852734293] [2022-11-21 13:52:50,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852734293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:50,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:50,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:52:50,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731928200] [2022-11-21 13:52:50,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:50,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:52:50,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:50,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:52:50,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:52:50,466 INFO L87 Difference]: Start difference. First operand 43199 states and 58219 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-21 13:52:59,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:59,128 INFO L93 Difference]: Finished difference Result 116100 states and 158952 transitions. [2022-11-21 13:52:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:52:59,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 299 [2022-11-21 13:52:59,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:59,716 INFO L225 Difference]: With dead ends: 116100 [2022-11-21 13:52:59,716 INFO L226 Difference]: Without dead ends: 72968 [2022-11-21 13:52:59,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:59,967 INFO L413 NwaCegarLoop]: 2434 mSDtfsCounter, 2186 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 5015 SdHoareTripleChecker+Invalid, 2936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 782 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:59,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2430 Valid, 5015 Invalid, 2936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [782 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-21 13:53:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72968 states. [2022-11-21 13:53:04,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72968 to 64965. [2022-11-21 13:53:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64965 states, 46041 states have (on average 1.2647857344540736) internal successors, (58232), 46801 states have internal predecessors, (58232), 14436 states have call successors, (14436), 4490 states have call predecessors, (14436), 4487 states have return successors, (14432), 14092 states have call predecessors, (14432), 14432 states have call successors, (14432) [2022-11-21 13:53:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64965 states to 64965 states and 87100 transitions. [2022-11-21 13:53:05,203 INFO L78 Accepts]: Start accepts. Automaton has 64965 states and 87100 transitions. Word has length 299 [2022-11-21 13:53:05,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:53:05,218 INFO L495 AbstractCegarLoop]: Abstraction has 64965 states and 87100 transitions. [2022-11-21 13:53:05,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-21 13:53:05,219 INFO L276 IsEmpty]: Start isEmpty. Operand 64965 states and 87100 transitions. [2022-11-21 13:53:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-21 13:53:05,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:53:05,230 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:53:05,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 13:53:05,231 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:53:05,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:53:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash -342188523, now seen corresponding path program 1 times [2022-11-21 13:53:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:53:05,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758051261] [2022-11-21 13:53:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:53:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:53:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:53:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:53:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:53:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:53:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:53:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:53:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:53:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:53:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:53:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:53:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:53:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:53:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:53:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:53:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:53:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:53:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 13:53:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:53:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 13:53:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 13:53:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 13:53:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 13:53:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-21 13:53:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-21 13:53:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 13:53:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-21 13:53:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:06,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 13:53:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-21 13:53:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-11-21 13:53:06,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:53:06,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758051261] [2022-11-21 13:53:06,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758051261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:53:06,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:53:06,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:53:06,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234838711] [2022-11-21 13:53:06,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:53:06,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:53:06,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:53:06,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:53:06,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:53:06,039 INFO L87 Difference]: Start difference. First operand 64965 states and 87100 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-21 13:53:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:53:15,938 INFO L93 Difference]: Finished difference Result 161661 states and 220394 transitions. [2022-11-21 13:53:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:53:15,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 310 [2022-11-21 13:53:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:53:16,678 INFO L225 Difference]: With dead ends: 161661 [2022-11-21 13:53:16,678 INFO L226 Difference]: Without dead ends: 96609 [2022-11-21 13:53:17,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:53:17,218 INFO L413 NwaCegarLoop]: 2614 mSDtfsCounter, 2152 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 5493 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:53:17,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 5493 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-21 13:53:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96609 states. [2022-11-21 13:53:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96609 to 64965. [2022-11-21 13:53:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64965 states, 46041 states have (on average 1.2647640146825656) internal successors, (58231), 46801 states have internal predecessors, (58231), 14436 states have call successors, (14436), 4490 states have call predecessors, (14436), 4487 states have return successors, (14432), 14092 states have call predecessors, (14432), 14432 states have call successors, (14432) [2022-11-21 13:53:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64965 states to 64965 states and 87099 transitions. [2022-11-21 13:53:22,741 INFO L78 Accepts]: Start accepts. Automaton has 64965 states and 87099 transitions. Word has length 310 [2022-11-21 13:53:22,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:53:22,742 INFO L495 AbstractCegarLoop]: Abstraction has 64965 states and 87099 transitions. [2022-11-21 13:53:22,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-21 13:53:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 64965 states and 87099 transitions. [2022-11-21 13:53:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-21 13:53:22,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:53:22,755 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:53:22,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 13:53:22,755 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:53:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:53:22,756 INFO L85 PathProgramCache]: Analyzing trace with hash 918728727, now seen corresponding path program 1 times [2022-11-21 13:53:22,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:53:22,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098182470] [2022-11-21 13:53:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:53:22,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:53:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:53:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:53:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:53:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:53:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:53:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:53:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:53:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:53:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:53:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:53:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:53:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:53:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:53:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:53:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:53:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:53:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 13:53:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:53:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 13:53:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 13:53:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 13:53:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 13:53:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-21 13:53:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-21 13:53:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 13:53:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-21 13:53:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 13:53:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-21 13:53:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2022-11-21 13:53:23,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:53:23,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098182470] [2022-11-21 13:53:23,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098182470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:53:23,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:53:23,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:53:23,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523473548] [2022-11-21 13:53:23,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:53:23,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:53:23,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:53:23,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:53:23,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:53:23,676 INFO L87 Difference]: Start difference. First operand 64965 states and 87099 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)