./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro --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 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 --- 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-8393723 [2022-11-18 19:48:23,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:48:23,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:48:23,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:48:23,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:48:23,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:48:23,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:48:23,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:48:23,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:48:23,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:48:23,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:48:23,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:48:23,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:48:23,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:48:23,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:48:23,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:48:23,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:48:23,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:48:23,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:48:23,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:48:23,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:48:23,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:48:23,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:48:23,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:48:23,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:48:23,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:48:23,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:48:23,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:48:23,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:48:23,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:48:23,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:48:23,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:48:23,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:48:23,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:48:23,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:48:23,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:48:23,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:48:23,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:48:23,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:48:23,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:48:23,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:48:23,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:48:23,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:48:23,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:48:23,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:48:23,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:48:23,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:48:23,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:48:23,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:48:23,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:48:23,836 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:48:23,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:48:23,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:48:23,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:48:23,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:48:23,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:48:23,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:48:23,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:48:23,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:48:23,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:48:23,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:48:23,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:48:23,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:48:23,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:48:23,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:48:23,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:48:23,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:48:23,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:48:23,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:48:23,842 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:48:23,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:48:23,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:48:23,843 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_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2022-11-18 19:48:24,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:48:24,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:48:24,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:48:24,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:48:24,211 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:48:24,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-18 19:48:24,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/data/140ea9b00/40c24e840c194591baec3f78a095b7c6/FLAG1a27656de [2022-11-18 19:48:25,612 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:48:25,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-18 19:48:25,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/data/140ea9b00/40c24e840c194591baec3f78a095b7c6/FLAG1a27656de [2022-11-18 19:48:25,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/data/140ea9b00/40c24e840c194591baec3f78a095b7c6 [2022-11-18 19:48:25,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:48:25,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:48:25,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:48:25,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:48:25,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:48:25,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:48:25" (1/1) ... [2022-11-18 19:48:25,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b34ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:25, skipping insertion in model container [2022-11-18 19:48:25,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:48:25" (1/1) ... [2022-11-18 19:48:25,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:48:26,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:48:31,317 WARN L234 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_ce163b54-8c5c-4396-8f5f-b28311cf4fad/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2022-11-18 19:48:31,325 WARN L234 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_ce163b54-8c5c-4396-8f5f-b28311cf4fad/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2022-11-18 19:48:31,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:48:31,520 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:48:32,208 WARN L234 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_ce163b54-8c5c-4396-8f5f-b28311cf4fad/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2022-11-18 19:48:32,209 WARN L234 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_ce163b54-8c5c-4396-8f5f-b28311cf4fad/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2022-11-18 19:48:32,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:48:32,704 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:48:32,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32 WrapperNode [2022-11-18 19:48:32,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:48:32,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:48:32,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:48:32,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:48:32,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:32,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,351 INFO L138 Inliner]: procedures = 548, calls = 4437, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8823 [2022-11-18 19:48:33,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:48:33,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:48:33,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:48:33,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:48:33,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,941 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:33,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:34,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:48:34,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:48:34,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:48:34,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:48:34,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (1/1) ... [2022-11-18 19:48:34,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:48:34,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:48:34,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:48:34,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce163b54-8c5c-4396-8f5f-b28311cf4fad/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:48:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2022-11-18 19:48:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2022-11-18 19:48:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 19:48:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 19:48:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 19:48:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 19:48:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-18 19:48:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-18 19:48:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-11-18 19:48:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-11-18 19:48:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-11-18 19:48:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-11-18 19:48:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 19:48:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 19:48:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-11-18 19:48:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-11-18 19:48:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2022-11-18 19:48:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2022-11-18 19:48:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:48:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:48:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 19:48:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 19:48:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-11-18 19:48:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-11-18 19:48:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-11-18 19:48:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-11-18 19:48:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-18 19:48:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-18 19:48:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-11-18 19:48:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-11-18 19:48:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 19:48:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 19:48:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-18 19:48:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-18 19:48:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-18 19:48:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-18 19:48:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-11-18 19:48:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-11-18 19:48:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-18 19:48:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-18 19:48:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-18 19:48:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-18 19:48:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-18 19:48:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-18 19:48:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:48:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:48:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-18 19:48:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-18 19:48:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-18 19:48:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-18 19:48:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-11-18 19:48:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-11-18 19:48:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 19:48:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 19:48:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 19:48:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 19:48:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 19:48:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 19:48:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-18 19:48:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-18 19:48:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 19:48:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 19:48:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-18 19:48:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-18 19:48:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 19:48:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 19:48:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 19:48:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 19:48:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-18 19:48:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-18 19:48:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:48:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:48:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-18 19:48:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-18 19:48:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 19:48:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 19:48:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:48:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-18 19:48:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-18 19:48:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-18 19:48:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-18 19:48:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 19:48:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 19:48:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-11-18 19:48:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-11-18 19:48:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:48:34,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:48:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-11-18 19:48:34,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-11-18 19:48:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:48:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-11-18 19:48:34,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-11-18 19:48:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-18 19:48:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-18 19:48:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-18 19:48:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-18 19:48:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 19:48:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 19:48:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-18 19:48:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-18 19:48:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:48:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:48:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:48:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-11-18 19:48:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-11-18 19:48:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 19:48:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 19:48:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:48:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-11-18 19:48:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-11-18 19:48:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-18 19:48:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-18 19:48:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 19:48:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 19:48:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:48:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:48:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 19:48:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 19:48:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-18 19:48:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-18 19:48:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 19:48:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 19:48:34,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 19:48:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 19:48:34,187 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-11-18 19:48:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-11-18 19:48:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-11-18 19:48:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-11-18 19:48:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-18 19:48:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-18 19:48:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 19:48:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 19:48:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-11-18 19:48:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-11-18 19:48:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 19:48:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 19:48:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-11-18 19:48:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-11-18 19:48:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:48:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-18 19:48:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-18 19:48:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-18 19:48:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-18 19:48:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:48:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 19:48:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 19:48:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 19:48:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 19:48:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:48:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-18 19:48:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-18 19:48:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:48:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:48:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 19:48:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 19:48:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:48:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:48:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-18 19:48:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-18 19:48:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-18 19:48:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-18 19:48:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-11-18 19:48:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-11-18 19:48:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 19:48:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 19:48:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-11-18 19:48:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-11-18 19:48:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-18 19:48:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-18 19:48:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 19:48:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 19:48:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-11-18 19:48:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-11-18 19:48:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-18 19:48:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-18 19:48:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-11-18 19:48:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-11-18 19:48:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 19:48:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 19:48:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 19:48:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 19:48:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-11-18 19:48:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-11-18 19:48:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 19:48:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 19:48:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-18 19:48:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-18 19:48:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-11-18 19:48:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-11-18 19:48:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-18 19:48:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-18 19:48:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 19:48:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 19:48:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-11-18 19:48:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-11-18 19:48:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-18 19:48:34,202 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-18 19:48:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-11-18 19:48:34,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-11-18 19:48:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-11-18 19:48:34,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-11-18 19:48:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-18 19:48:34,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-18 19:48:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:48:34,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:48:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-11-18 19:48:34,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-11-18 19:48:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:48:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:48:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:48:34,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:48:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 19:48:34,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 19:48:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-18 19:48:34,206 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-18 19:48:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 19:48:34,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 19:48:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 19:48:34,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 19:48:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-18 19:48:34,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-18 19:48:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 19:48:34,207 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 19:48:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-18 19:48:34,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-18 19:48:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:48:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-11-18 19:48:34,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-11-18 19:48:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-18 19:48:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-18 19:48:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 19:48:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 19:48:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:48:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-11-18 19:48:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-11-18 19:48:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-11-18 19:48:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-11-18 19:48:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:48:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-18 19:48:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-18 19:48:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-11-18 19:48:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-11-18 19:48:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-18 19:48:34,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-18 19:48:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 19:48:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 19:48:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 19:48:34,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 19:48:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-18 19:48:34,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-18 19:48:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-18 19:48:34,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-18 19:48:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-11-18 19:48:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-11-18 19:48:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-11-18 19:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-11-18 19:48:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-18 19:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-18 19:48:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 19:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 19:48:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-11-18 19:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-11-18 19:48:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-11-18 19:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-11-18 19:48:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 19:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 19:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 19:48:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 19:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 19:48:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 19:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-11-18 19:48:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-11-18 19:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 19:48:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 19:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-11-18 19:48:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-11-18 19:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-11-18 19:48:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-11-18 19:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-11-18 19:48:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-11-18 19:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-18 19:48:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-18 19:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 19:48:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 19:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:48:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-11-18 19:48:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-11-18 19:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-11-18 19:48:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-11-18 19:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-18 19:48:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-18 19:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-18 19:48:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-18 19:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-11-18 19:48:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-11-18 19:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 19:48:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 19:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-11-18 19:48:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-11-18 19:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-11-18 19:48:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-11-18 19:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 19:48:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 19:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 19:48:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 19:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-18 19:48:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-18 19:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 19:48:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 19:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-18 19:48:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-18 19:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:48:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-11-18 19:48:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-11-18 19:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-11-18 19:48:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-11-18 19:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 19:48:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 19:48:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-18 19:48:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-18 19:48:36,023 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:48:36,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:48:38,910 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:48:48,019 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:48:48,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:48:48,058 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 19:48:48,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:48:48 BoogieIcfgContainer [2022-11-18 19:48:48,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:48:48,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:48:48,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:48:48,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:48:48,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:48:25" (1/3) ... [2022-11-18 19:48:48,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c20a78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:48:48, skipping insertion in model container [2022-11-18 19:48:48,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:48:32" (2/3) ... [2022-11-18 19:48:48,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c20a78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:48:48, skipping insertion in model container [2022-11-18 19:48:48,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:48:48" (3/3) ... [2022-11-18 19:48:48,081 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-18 19:48:48,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:48:48,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:48:48,287 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:48:48,301 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;@310a2e98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:48:48,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:48:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 2854 states, 1939 states have (on average 1.3445074780814854) internal successors, (2607), 2025 states have internal predecessors, (2607), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) [2022-11-18 19:48:48,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-18 19:48:48,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:48,378 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:48,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:48:48,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:48,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1933516212, now seen corresponding path program 1 times [2022-11-18 19:48:48,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:48,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303072665] [2022-11-18 19:48:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:48,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:48:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:48:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:48:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:48:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:48:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:48:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:48:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:48:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:48:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:48:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:48:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:48:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:48:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:48:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:48:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:48:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:48:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:48:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:48:51,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:51,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303072665] [2022-11-18 19:48:51,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303072665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:51,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:51,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:48:51,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789449083] [2022-11-18 19:48:51,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:51,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:48:51,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:51,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:48:51,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:48:51,071 INFO L87 Difference]: Start difference. First operand has 2854 states, 1939 states have (on average 1.3445074780814854) internal successors, (2607), 2025 states have internal predecessors, (2607), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:00,092 INFO L93 Difference]: Finished difference Result 5714 states and 8380 transitions. [2022-11-18 19:49:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:49:00,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2022-11-18 19:49:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:00,181 INFO L225 Difference]: With dead ends: 5714 [2022-11-18 19:49:00,181 INFO L226 Difference]: Without dead ends: 2831 [2022-11-18 19:49:00,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:00,228 INFO L413 NwaCegarLoop]: 3060 mSDtfsCounter, 3876 mSDsluCounter, 3896 mSDsCounter, 0 mSdLazyCounter, 3720 mSolverCounterSat, 1439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4335 SdHoareTripleChecker+Valid, 6956 SdHoareTripleChecker+Invalid, 5159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1439 IncrementalHoareTripleChecker+Valid, 3720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:00,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4335 Valid, 6956 Invalid, 5159 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1439 Valid, 3720 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-18 19:49:00,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-11-18 19:49:00,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2796. [2022-11-18 19:49:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1913 states have (on average 1.3340303188708835) internal successors, (2552), 1993 states have internal predecessors, (2552), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-11-18 19:49:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4012 transitions. [2022-11-18 19:49:00,582 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4012 transitions. Word has length 153 [2022-11-18 19:49:00,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:00,583 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4012 transitions. [2022-11-18 19:49:00,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4012 transitions. [2022-11-18 19:49:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-18 19:49:00,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:00,594 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:00,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:49:00,594 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:49:00,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:00,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1602035345, now seen corresponding path program 1 times [2022-11-18 19:49:00,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:00,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831563589] [2022-11-18 19:49:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:49:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:49:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:49:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:49:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:49:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:49:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:49:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:49:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:49:02,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:02,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831563589] [2022-11-18 19:49:02,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831563589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:02,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:02,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:02,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911942888] [2022-11-18 19:49:02,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:02,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:02,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:02,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:02,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:02,332 INFO L87 Difference]: Start difference. First operand 2796 states and 4012 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:12,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:12,951 INFO L93 Difference]: Finished difference Result 5608 states and 8126 transitions. [2022-11-18 19:49:12,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:49:12,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2022-11-18 19:49:12,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:12,978 INFO L225 Difference]: With dead ends: 5608 [2022-11-18 19:49:12,978 INFO L226 Difference]: Without dead ends: 2831 [2022-11-18 19:49:12,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:49:13,001 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 5778 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 3622 mSolverCounterSat, 3937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5778 SdHoareTripleChecker+Valid, 6839 SdHoareTripleChecker+Invalid, 7559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3937 IncrementalHoareTripleChecker+Valid, 3622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:13,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5778 Valid, 6839 Invalid, 7559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3937 Valid, 3622 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-11-18 19:49:13,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-11-18 19:49:13,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2796. [2022-11-18 19:49:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1913 states have (on average 1.333507579717721) internal successors, (2551), 1993 states have internal predecessors, (2551), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-11-18 19:49:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4011 transitions. [2022-11-18 19:49:13,273 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4011 transitions. Word has length 154 [2022-11-18 19:49:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:13,275 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4011 transitions. [2022-11-18 19:49:13,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4011 transitions. [2022-11-18 19:49:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-18 19:49:13,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:13,285 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:13,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:49:13,286 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:49:13,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash -350499480, now seen corresponding path program 1 times [2022-11-18 19:49:13,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:13,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721807199] [2022-11-18 19:49:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:13,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:49:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:49:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:49:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:49:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:49:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:49:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:49:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:49:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:49:14,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:14,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721807199] [2022-11-18 19:49:14,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721807199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:14,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:14,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:14,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195329965] [2022-11-18 19:49:14,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:14,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:14,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:14,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:14,821 INFO L87 Difference]: Start difference. First operand 2796 states and 4011 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:24,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:24,590 INFO L93 Difference]: Finished difference Result 5608 states and 8124 transitions. [2022-11-18 19:49:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:49:24,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2022-11-18 19:49:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:24,619 INFO L225 Difference]: With dead ends: 5608 [2022-11-18 19:49:24,619 INFO L226 Difference]: Without dead ends: 2831 [2022-11-18 19:49:24,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:49:24,643 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 5774 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 3620 mSolverCounterSat, 3937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5774 SdHoareTripleChecker+Valid, 6839 SdHoareTripleChecker+Invalid, 7557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3937 IncrementalHoareTripleChecker+Valid, 3620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:24,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5774 Valid, 6839 Invalid, 7557 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3937 Valid, 3620 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-11-18 19:49:24,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-11-18 19:49:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2796. [2022-11-18 19:49:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1913 states have (on average 1.3329848405645583) internal successors, (2550), 1993 states have internal predecessors, (2550), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-11-18 19:49:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4010 transitions. [2022-11-18 19:49:24,911 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4010 transitions. Word has length 155 [2022-11-18 19:49:24,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:24,917 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4010 transitions. [2022-11-18 19:49:24,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4010 transitions. [2022-11-18 19:49:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-18 19:49:24,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:24,937 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:24,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:49:24,938 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:49:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:24,939 INFO L85 PathProgramCache]: Analyzing trace with hash -635020307, now seen corresponding path program 1 times [2022-11-18 19:49:24,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:24,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910168386] [2022-11-18 19:49:24,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:24,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:49:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:49:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:49:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:49:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:49:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:49:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:49:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:49:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:49:26,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:26,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910168386] [2022-11-18 19:49:26,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910168386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:26,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:26,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836210905] [2022-11-18 19:49:26,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:26,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:26,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:26,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:26,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:26,412 INFO L87 Difference]: Start difference. First operand 2796 states and 4010 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:35,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:35,810 INFO L93 Difference]: Finished difference Result 5608 states and 8122 transitions. [2022-11-18 19:49:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:49:35,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-11-18 19:49:35,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:35,839 INFO L225 Difference]: With dead ends: 5608 [2022-11-18 19:49:35,839 INFO L226 Difference]: Without dead ends: 2831 [2022-11-18 19:49:35,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:49:35,863 INFO L413 NwaCegarLoop]: 3004 mSDtfsCounter, 5770 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 3939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5770 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 7556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3939 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:35,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5770 Valid, 6837 Invalid, 7556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3939 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-11-18 19:49:35,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-11-18 19:49:36,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2796. [2022-11-18 19:49:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1913 states have (on average 1.3324621014113958) internal successors, (2549), 1993 states have internal predecessors, (2549), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-11-18 19:49:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4009 transitions. [2022-11-18 19:49:36,184 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4009 transitions. Word has length 156 [2022-11-18 19:49:36,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:36,186 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4009 transitions. [2022-11-18 19:49:36,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4009 transitions. [2022-11-18 19:49:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-18 19:49:36,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:36,194 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:36,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:49:36,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:49:36,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:36,195 INFO L85 PathProgramCache]: Analyzing trace with hash -750714748, now seen corresponding path program 1 times [2022-11-18 19:49:36,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:36,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302116434] [2022-11-18 19:49:36,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:36,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:49:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:49:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:49:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:49:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:49:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:49:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:49:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:49:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:49:37,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:37,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302116434] [2022-11-18 19:49:37,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302116434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:37,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:37,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:37,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351619168] [2022-11-18 19:49:37,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:37,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:37,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:37,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:37,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:37,593 INFO L87 Difference]: Start difference. First operand 2796 states and 4009 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:46,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:46,726 INFO L93 Difference]: Finished difference Result 5608 states and 8120 transitions. [2022-11-18 19:49:46,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:49:46,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2022-11-18 19:49:46,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:46,752 INFO L225 Difference]: With dead ends: 5608 [2022-11-18 19:49:46,753 INFO L226 Difference]: Without dead ends: 2831 [2022-11-18 19:49:46,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:49:46,774 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 5766 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 3616 mSolverCounterSat, 3937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5766 SdHoareTripleChecker+Valid, 6839 SdHoareTripleChecker+Invalid, 7553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3937 IncrementalHoareTripleChecker+Valid, 3616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:46,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5766 Valid, 6839 Invalid, 7553 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3937 Valid, 3616 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-11-18 19:49:46,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-11-18 19:49:47,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2796. [2022-11-18 19:49:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1913 states have (on average 1.3319393622582332) internal successors, (2548), 1993 states have internal predecessors, (2548), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-11-18 19:49:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4008 transitions. [2022-11-18 19:49:47,060 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4008 transitions. Word has length 157 [2022-11-18 19:49:47,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:47,061 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4008 transitions. [2022-11-18 19:49:47,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4008 transitions. [2022-11-18 19:49:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-18 19:49:47,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:47,070 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:47,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:49:47,070 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:49:47,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:47,071 INFO L85 PathProgramCache]: Analyzing trace with hash 72241481, now seen corresponding path program 1 times [2022-11-18 19:49:47,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:47,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222350960] [2022-11-18 19:49:47,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:47,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:49:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:49:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:49:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:49:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:49:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:49:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:49:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:49:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:49:48,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:48,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222350960] [2022-11-18 19:49:48,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222350960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:48,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:48,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:48,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152259686] [2022-11-18 19:49:48,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:48,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:48,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:48,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:48,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:48,535 INFO L87 Difference]: Start difference. First operand 2796 states and 4008 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:57,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:49:57,481 INFO L93 Difference]: Finished difference Result 5608 states and 8118 transitions. [2022-11-18 19:49:57,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:49:57,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2022-11-18 19:49:57,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:49:57,507 INFO L225 Difference]: With dead ends: 5608 [2022-11-18 19:49:57,507 INFO L226 Difference]: Without dead ends: 2831 [2022-11-18 19:49:57,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:49:57,529 INFO L413 NwaCegarLoop]: 3004 mSDtfsCounter, 5762 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 3613 mSolverCounterSat, 3939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5762 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 7552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3939 IncrementalHoareTripleChecker+Valid, 3613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:49:57,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5762 Valid, 6837 Invalid, 7552 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3939 Valid, 3613 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-18 19:49:57,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-11-18 19:49:57,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2796. [2022-11-18 19:49:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1913 states have (on average 1.3314166231050706) internal successors, (2547), 1993 states have internal predecessors, (2547), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2022-11-18 19:49:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4007 transitions. [2022-11-18 19:49:57,929 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4007 transitions. Word has length 158 [2022-11-18 19:49:57,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:49:57,931 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4007 transitions. [2022-11-18 19:49:57,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:49:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4007 transitions. [2022-11-18 19:49:57,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-18 19:49:57,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:49:57,938 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:49:57,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:49:57,938 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:49:57,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:49:57,939 INFO L85 PathProgramCache]: Analyzing trace with hash -71402592, now seen corresponding path program 1 times [2022-11-18 19:49:57,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:49:57,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325994196] [2022-11-18 19:49:57,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:49:57,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:49:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:49:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:49:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:49:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:49:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:49:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:49:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:49:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:49:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:49:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:49:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:49:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:49:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:49:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:49:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:49:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:49:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:49:59,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:59,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325994196] [2022-11-18 19:49:59,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325994196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:49:59,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:49:59,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:49:59,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068753888] [2022-11-18 19:49:59,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:49:59,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:49:59,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:59,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:49:59,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:49:59,081 INFO L87 Difference]: Start difference. First operand 2796 states and 4007 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:50:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:20,751 INFO L93 Difference]: Finished difference Result 10164 states and 14628 transitions. [2022-11-18 19:50:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:50:20,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2022-11-18 19:50:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:20,816 INFO L225 Difference]: With dead ends: 10164 [2022-11-18 19:50:20,816 INFO L226 Difference]: Without dead ends: 7387 [2022-11-18 19:50:20,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:50:20,839 INFO L413 NwaCegarLoop]: 5400 mSDtfsCounter, 12129 mSDsluCounter, 8168 mSDsCounter, 0 mSdLazyCounter, 9366 mSolverCounterSat, 5955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12952 SdHoareTripleChecker+Valid, 13568 SdHoareTripleChecker+Invalid, 15321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5955 IncrementalHoareTripleChecker+Valid, 9366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:20,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12952 Valid, 13568 Invalid, 15321 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5955 Valid, 9366 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2022-11-18 19:50:20,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7387 states. [2022-11-18 19:50:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7387 to 7316. [2022-11-18 19:50:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7316 states, 5044 states have (on average 1.3219666931007137) internal successors, (6668), 5254 states have internal predecessors, (6668), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2022-11-18 19:50:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7316 states to 7316 states and 10477 transitions. [2022-11-18 19:50:21,904 INFO L78 Accepts]: Start accepts. Automaton has 7316 states and 10477 transitions. Word has length 159 [2022-11-18 19:50:21,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:21,905 INFO L495 AbstractCegarLoop]: Abstraction has 7316 states and 10477 transitions. [2022-11-18 19:50:21,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:50:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 7316 states and 10477 transitions. [2022-11-18 19:50:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-18 19:50:21,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:21,912 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:21,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:50:21,913 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:21,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:21,914 INFO L85 PathProgramCache]: Analyzing trace with hash -114884955, now seen corresponding path program 1 times [2022-11-18 19:50:21,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:21,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902419685] [2022-11-18 19:50:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:21,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:50:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:50:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:50:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:50:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:50:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:50:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:50:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:50:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:50:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:50:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:50:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:50:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:50:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:22,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:50:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:50:23,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:23,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902419685] [2022-11-18 19:50:23,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902419685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:23,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:23,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:50:23,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969511775] [2022-11-18 19:50:23,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:23,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:50:23,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:23,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:50:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:50:23,070 INFO L87 Difference]: Start difference. First operand 7316 states and 10477 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:50:32,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:32,802 INFO L93 Difference]: Finished difference Result 14677 states and 21242 transitions. [2022-11-18 19:50:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:50:32,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2022-11-18 19:50:32,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:32,874 INFO L225 Difference]: With dead ends: 14677 [2022-11-18 19:50:32,875 INFO L226 Difference]: Without dead ends: 7380 [2022-11-18 19:50:32,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:50:32,921 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 5757 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 3612 mSolverCounterSat, 3937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5757 SdHoareTripleChecker+Valid, 6839 SdHoareTripleChecker+Invalid, 7549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3937 IncrementalHoareTripleChecker+Valid, 3612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:32,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5757 Valid, 6839 Invalid, 7549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3937 Valid, 3612 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-11-18 19:50:32,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7380 states. [2022-11-18 19:50:33,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7380 to 7316. [2022-11-18 19:50:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7316 states, 5044 states have (on average 1.32137192704203) internal successors, (6665), 5254 states have internal predecessors, (6665), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2022-11-18 19:50:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7316 states to 7316 states and 10474 transitions. [2022-11-18 19:50:34,019 INFO L78 Accepts]: Start accepts. Automaton has 7316 states and 10474 transitions. Word has length 160 [2022-11-18 19:50:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:34,023 INFO L495 AbstractCegarLoop]: Abstraction has 7316 states and 10474 transitions. [2022-11-18 19:50:34,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:50:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 7316 states and 10474 transitions. [2022-11-18 19:50:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-18 19:50:34,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:34,030 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:34,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:50:34,031 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:34,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:34,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1348321604, now seen corresponding path program 1 times [2022-11-18 19:50:34,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:34,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842301844] [2022-11-18 19:50:34,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:34,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:50:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:50:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:50:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:50:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:50:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:50:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:50:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:50:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:50:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:50:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:50:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:50:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:50:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:50:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:50:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:50:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:50:35,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:35,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842301844] [2022-11-18 19:50:35,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842301844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:35,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:35,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:50:35,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590204043] [2022-11-18 19:50:35,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:35,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:50:35,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:35,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:50:35,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:50:35,570 INFO L87 Difference]: Start difference. First operand 7316 states and 10474 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:01,431 INFO L93 Difference]: Finished difference Result 28895 states and 42157 transitions. [2022-11-18 19:51:01,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:51:01,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2022-11-18 19:51:01,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:51:01,597 INFO L225 Difference]: With dead ends: 28895 [2022-11-18 19:51:01,597 INFO L226 Difference]: Without dead ends: 21598 [2022-11-18 19:51:01,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:51:01,651 INFO L413 NwaCegarLoop]: 6752 mSDtfsCounter, 12712 mSDsluCounter, 9899 mSDsCounter, 0 mSdLazyCounter, 10597 mSolverCounterSat, 6586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13590 SdHoareTripleChecker+Valid, 16651 SdHoareTripleChecker+Invalid, 17183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6586 IncrementalHoareTripleChecker+Valid, 10597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:51:01,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13590 Valid, 16651 Invalid, 17183 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6586 Valid, 10597 Invalid, 0 Unknown, 0 Unchecked, 22.7s Time] [2022-11-18 19:51:01,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21598 states. [2022-11-18 19:51:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21598 to 21420. [2022-11-18 19:51:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21420 states, 14812 states have (on average 1.3201458277072644) internal successors, (19554), 15434 states have internal predecessors, (19554), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-11-18 19:51:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21420 states to 21420 states and 31211 transitions. [2022-11-18 19:51:04,441 INFO L78 Accepts]: Start accepts. Automaton has 21420 states and 31211 transitions. Word has length 161 [2022-11-18 19:51:04,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:51:04,459 INFO L495 AbstractCegarLoop]: Abstraction has 21420 states and 31211 transitions. [2022-11-18 19:51:04,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 21420 states and 31211 transitions. [2022-11-18 19:51:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-18 19:51:04,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:51:04,467 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:04,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:51:04,467 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:51:04,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:04,468 INFO L85 PathProgramCache]: Analyzing trace with hash -815635455, now seen corresponding path program 1 times [2022-11-18 19:51:04,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:04,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471471112] [2022-11-18 19:51:04,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:04,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:51:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:51:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:51:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:51:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:51:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:51:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:51:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:51:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:51:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:51:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:51:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:51:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:51:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:51:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:51:05,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:05,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471471112] [2022-11-18 19:51:05,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471471112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:05,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:05,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:51:05,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772315198] [2022-11-18 19:51:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:05,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:51:05,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:05,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:51:05,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:51:05,825 INFO L87 Difference]: Start difference. First operand 21420 states and 31211 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:16,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:16,762 INFO L93 Difference]: Finished difference Result 42989 states and 63700 transitions. [2022-11-18 19:51:16,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:51:16,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2022-11-18 19:51:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:51:16,927 INFO L225 Difference]: With dead ends: 42989 [2022-11-18 19:51:16,928 INFO L226 Difference]: Without dead ends: 21588 [2022-11-18 19:51:17,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:51:17,108 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 5752 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 3937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 6839 SdHoareTripleChecker+Invalid, 7547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3937 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:51:17,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5752 Valid, 6839 Invalid, 7547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3937 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-18 19:51:17,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21588 states. [2022-11-18 19:51:20,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21588 to 21420. [2022-11-18 19:51:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21420 states, 14812 states have (on average 1.3195382122603294) internal successors, (19545), 15434 states have internal predecessors, (19545), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-11-18 19:51:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21420 states to 21420 states and 31202 transitions. [2022-11-18 19:51:20,377 INFO L78 Accepts]: Start accepts. Automaton has 21420 states and 31202 transitions. Word has length 162 [2022-11-18 19:51:20,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:51:20,378 INFO L495 AbstractCegarLoop]: Abstraction has 21420 states and 31202 transitions. [2022-11-18 19:51:20,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21420 states and 31202 transitions. [2022-11-18 19:51:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-18 19:51:20,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:51:20,385 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:20,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:51:20,386 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:51:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:20,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1367717416, now seen corresponding path program 1 times [2022-11-18 19:51:20,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:20,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179849501] [2022-11-18 19:51:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:20,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:51:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:51:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:51:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:51:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:51:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:51:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:51:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:51:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:51:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:51:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:51:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:51:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:51:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:51:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:51:21,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:21,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179849501] [2022-11-18 19:51:21,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179849501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:21,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:21,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:51:21,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420561690] [2022-11-18 19:51:21,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:21,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:51:21,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:21,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:51:21,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:51:21,706 INFO L87 Difference]: Start difference. First operand 21420 states and 31202 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:32,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:32,589 INFO L93 Difference]: Finished difference Result 42989 states and 63682 transitions. [2022-11-18 19:51:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:51:32,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2022-11-18 19:51:32,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:51:32,771 INFO L225 Difference]: With dead ends: 42989 [2022-11-18 19:51:32,771 INFO L226 Difference]: Without dead ends: 21588 [2022-11-18 19:51:32,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:51:32,983 INFO L413 NwaCegarLoop]: 3004 mSDtfsCounter, 5748 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 3607 mSolverCounterSat, 3939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5748 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 7546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3939 IncrementalHoareTripleChecker+Valid, 3607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:51:32,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5748 Valid, 6837 Invalid, 7546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3939 Valid, 3607 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-18 19:51:33,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21588 states. [2022-11-18 19:51:35,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21588 to 21420. [2022-11-18 19:51:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21420 states, 14812 states have (on average 1.3189305968133946) internal successors, (19536), 15434 states have internal predecessors, (19536), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-11-18 19:51:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21420 states to 21420 states and 31193 transitions. [2022-11-18 19:51:35,994 INFO L78 Accepts]: Start accepts. Automaton has 21420 states and 31193 transitions. Word has length 163 [2022-11-18 19:51:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:51:35,995 INFO L495 AbstractCegarLoop]: Abstraction has 21420 states and 31193 transitions. [2022-11-18 19:51:35,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 21420 states and 31193 transitions. [2022-11-18 19:51:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-18 19:51:36,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:51:36,005 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:36,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:51:36,005 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:51:36,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1187872419, now seen corresponding path program 1 times [2022-11-18 19:51:36,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:36,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984126473] [2022-11-18 19:51:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:36,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:51:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:51:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:51:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:51:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:51:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:51:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:51:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:51:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:51:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:51:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:51:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:51:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:51:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:51:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:51:37,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:37,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984126473] [2022-11-18 19:51:37,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984126473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:37,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:37,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:51:37,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184403590] [2022-11-18 19:51:37,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:37,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:51:37,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:37,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:51:37,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:51:37,326 INFO L87 Difference]: Start difference. First operand 21420 states and 31193 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:48,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:48,549 INFO L93 Difference]: Finished difference Result 42989 states and 63664 transitions. [2022-11-18 19:51:48,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:51:48,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2022-11-18 19:51:48,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:51:48,723 INFO L225 Difference]: With dead ends: 42989 [2022-11-18 19:51:48,724 INFO L226 Difference]: Without dead ends: 21588 [2022-11-18 19:51:48,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:51:48,904 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 5744 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 3606 mSolverCounterSat, 3937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5744 SdHoareTripleChecker+Valid, 6839 SdHoareTripleChecker+Invalid, 7543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3937 IncrementalHoareTripleChecker+Valid, 3606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:51:48,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5744 Valid, 6839 Invalid, 7543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3937 Valid, 3606 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-18 19:51:48,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21588 states. [2022-11-18 19:51:51,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21588 to 21420. [2022-11-18 19:51:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21420 states, 14812 states have (on average 1.3183229813664596) internal successors, (19527), 15434 states have internal predecessors, (19527), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-11-18 19:51:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21420 states to 21420 states and 31184 transitions. [2022-11-18 19:51:52,122 INFO L78 Accepts]: Start accepts. Automaton has 21420 states and 31184 transitions. Word has length 164 [2022-11-18 19:51:52,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:51:52,123 INFO L495 AbstractCegarLoop]: Abstraction has 21420 states and 31184 transitions. [2022-11-18 19:51:52,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:51:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 21420 states and 31184 transitions. [2022-11-18 19:51:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-18 19:51:52,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:51:52,131 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:52,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:51:52,131 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:51:52,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:52,132 INFO L85 PathProgramCache]: Analyzing trace with hash 206871796, now seen corresponding path program 1 times [2022-11-18 19:51:52,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:52,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525318540] [2022-11-18 19:51:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:51:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:51:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:51:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:51:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:51:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:51:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:51:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:51:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:51:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:51:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:51:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:51:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:51:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:51:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:51:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:51:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:51:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:51:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:53,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525318540] [2022-11-18 19:51:53,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525318540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:53,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:53,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:51:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461657336] [2022-11-18 19:51:53,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:53,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:51:53,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:51:53,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:51:53,181 INFO L87 Difference]: Start difference. First operand 21420 states and 31184 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:52:04,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:04,458 INFO L93 Difference]: Finished difference Result 42989 states and 63646 transitions. [2022-11-18 19:52:04,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:52:04,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2022-11-18 19:52:04,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:04,592 INFO L225 Difference]: With dead ends: 42989 [2022-11-18 19:52:04,592 INFO L226 Difference]: Without dead ends: 21588 [2022-11-18 19:52:04,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:52:04,717 INFO L413 NwaCegarLoop]: 3004 mSDtfsCounter, 5740 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 3939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5740 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 7542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3939 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:04,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5740 Valid, 6837 Invalid, 7542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3939 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-18 19:52:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21588 states. [2022-11-18 19:52:07,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21588 to 21420. [2022-11-18 19:52:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21420 states, 14812 states have (on average 1.3177153659195247) internal successors, (19518), 15434 states have internal predecessors, (19518), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-11-18 19:52:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21420 states to 21420 states and 31175 transitions. [2022-11-18 19:52:07,731 INFO L78 Accepts]: Start accepts. Automaton has 21420 states and 31175 transitions. Word has length 165 [2022-11-18 19:52:07,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:07,731 INFO L495 AbstractCegarLoop]: Abstraction has 21420 states and 31175 transitions. [2022-11-18 19:52:07,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:52:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 21420 states and 31175 transitions. [2022-11-18 19:52:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-18 19:52:07,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:07,740 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:07,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:52:07,741 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:07,741 INFO L85 PathProgramCache]: Analyzing trace with hash 608786105, now seen corresponding path program 1 times [2022-11-18 19:52:07,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:07,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730180784] [2022-11-18 19:52:07,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:07,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:52:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:52:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:52:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:52:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:52:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:52:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:52:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:52:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:52:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:52:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:52:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:52:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:52:09,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:09,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730180784] [2022-11-18 19:52:09,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730180784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:09,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:09,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:52:09,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851679011] [2022-11-18 19:52:09,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:09,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:52:09,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:09,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:52:09,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:52:09,172 INFO L87 Difference]: Start difference. First operand 21420 states and 31175 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:52:32,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:32,864 INFO L93 Difference]: Finished difference Result 63070 states and 93833 transitions. [2022-11-18 19:52:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:52:32,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2022-11-18 19:52:32,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:33,116 INFO L225 Difference]: With dead ends: 63070 [2022-11-18 19:52:33,116 INFO L226 Difference]: Without dead ends: 41669 [2022-11-18 19:52:33,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:52:33,237 INFO L413 NwaCegarLoop]: 5371 mSDtfsCounter, 9886 mSDsluCounter, 8382 mSDsCounter, 0 mSdLazyCounter, 8934 mSolverCounterSat, 4565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10593 SdHoareTripleChecker+Valid, 13753 SdHoareTripleChecker+Invalid, 13499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4565 IncrementalHoareTripleChecker+Valid, 8934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:33,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10593 Valid, 13753 Invalid, 13499 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4565 Valid, 8934 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2022-11-18 19:52:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41669 states. [2022-11-18 19:52:38,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41669 to 41320. [2022-11-18 19:52:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41320 states, 28878 states have (on average 1.307881432232149) internal successors, (37769), 30052 states have internal predecessors, (37769), 9941 states have call successors, (9941), 2674 states have call predecessors, (9941), 2500 states have return successors, (14010), 9328 states have call predecessors, (14010), 9941 states have call successors, (14010) [2022-11-18 19:52:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41320 states to 41320 states and 61720 transitions. [2022-11-18 19:52:38,604 INFO L78 Accepts]: Start accepts. Automaton has 41320 states and 61720 transitions. Word has length 166 [2022-11-18 19:52:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:38,605 INFO L495 AbstractCegarLoop]: Abstraction has 41320 states and 61720 transitions. [2022-11-18 19:52:38,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:52:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 41320 states and 61720 transitions. [2022-11-18 19:52:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-18 19:52:38,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:38,612 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:38,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:52:38,612 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:38,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:38,613 INFO L85 PathProgramCache]: Analyzing trace with hash 637415256, now seen corresponding path program 1 times [2022-11-18 19:52:38,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:38,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336526975] [2022-11-18 19:52:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 19:52:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:52:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:52:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:52:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:52:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:52:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:52:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:52:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:52:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:52:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:52:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:52:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 19:52:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-18 19:52:40,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:40,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336526975] [2022-11-18 19:52:40,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336526975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:40,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:40,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:52:40,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474103098] [2022-11-18 19:52:40,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:40,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:52:40,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:40,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:52:40,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:52:40,009 INFO L87 Difference]: Start difference. First operand 41320 states and 61720 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-18 19:52:53,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:53,422 INFO L93 Difference]: Finished difference Result 41751 states and 62569 transitions. [2022-11-18 19:52:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:52:53,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 166 [2022-11-18 19:52:53,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:53,630 INFO L225 Difference]: With dead ends: 41751 [2022-11-18 19:52:53,630 INFO L226 Difference]: Without dead ends: 41749 [2022-11-18 19:52:53,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:52:53,652 INFO L413 NwaCegarLoop]: 3027 mSDtfsCounter, 860 mSDsluCounter, 9681 mSDsCounter, 0 mSdLazyCounter, 5774 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 12708 SdHoareTripleChecker+Invalid, 6334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 5774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:53,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 12708 Invalid, 6334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [560 Valid, 5774 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-18 19:52:53,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41749 states. [2022-11-18 19:52:58,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41749 to 41410. [2022-11-18 19:52:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41410 states, 28938 states have (on average 1.3070357315640335) internal successors, (37823), 30127 states have internal predecessors, (37823), 9941 states have call successors, (9941), 2674 states have call predecessors, (9941), 2530 states have return successors, (14062), 9343 states have call predecessors, (14062), 9941 states have call successors, (14062) [2022-11-18 19:52:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41410 states to 41410 states and 61826 transitions. [2022-11-18 19:52:59,162 INFO L78 Accepts]: Start accepts. Automaton has 41410 states and 61826 transitions. Word has length 166 [2022-11-18 19:52:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:59,163 INFO L495 AbstractCegarLoop]: Abstraction has 41410 states and 61826 transitions. [2022-11-18 19:52:59,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-18 19:52:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 41410 states and 61826 transitions. [2022-11-18 19:52:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-18 19:52:59,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:59,176 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:59,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:52:59,176 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:59,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:59,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1023166878, now seen corresponding path program 1 times [2022-11-18 19:52:59,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:59,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145095967] [2022-11-18 19:52:59,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:59,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat