./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF --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 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:57:42,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:57:42,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:57:42,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:57:42,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:57:42,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:57:42,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:57:42,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:57:42,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:57:42,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:57:42,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:57:42,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:57:42,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:57:42,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:57:42,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:57:42,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:57:42,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:57:42,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:57:42,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:57:42,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:57:42,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:57:42,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:57:42,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:57:42,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:57:42,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:57:42,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:57:42,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:57:42,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:57:42,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:57:42,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:57:42,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:57:42,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:57:42,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:57:42,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:57:42,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:57:42,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:57:42,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:57:42,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:57:42,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:57:42,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:57:42,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:57:42,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:57:43,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:57:43,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:57:43,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:57:43,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:57:43,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:57:43,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:57:43,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:57:43,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:57:43,049 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:57:43,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:57:43,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:57:43,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:57:43,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:57:43,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:57:43,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:57:43,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:57:43,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:57:43,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:57:43,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:57:43,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:57:43,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:57:43,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:57:43,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:57:43,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:57:43,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:57:43,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:57:43,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:57:43,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:57:43,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:57:43,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:57:43,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:57:43,056 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_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2021-11-20 06:57:43,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:57:43,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:57:43,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:57:43,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:57:43,365 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:57:43,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-20 06:57:43,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/data/71e7efb9e/0ae8ba48dc9a47d3b5b5b632f68eb990/FLAG1b2eff752 [2021-11-20 06:57:44,552 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:57:44,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-20 06:57:44,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/data/71e7efb9e/0ae8ba48dc9a47d3b5b5b632f68eb990/FLAG1b2eff752 [2021-11-20 06:57:44,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/data/71e7efb9e/0ae8ba48dc9a47d3b5b5b632f68eb990 [2021-11-20 06:57:44,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:57:44,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:57:44,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:57:44,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:57:44,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:57:44,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:44" (1/1) ... [2021-11-20 06:57:44,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2275b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:44, skipping insertion in model container [2021-11-20 06:57:44,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:44" (1/1) ... [2021-11-20 06:57:44,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:57:45,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:57:49,772 WARN L230 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_68b887ae-ab22-4dc8-9a3a-07213c057b4f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-20 06:57:49,775 WARN L230 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_68b887ae-ab22-4dc8-9a3a-07213c057b4f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-20 06:57:49,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:57:49,916 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:57:50,456 WARN L230 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_68b887ae-ab22-4dc8-9a3a-07213c057b4f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-20 06:57:50,457 WARN L230 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_68b887ae-ab22-4dc8-9a3a-07213c057b4f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-20 06:57:50,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:57:50,924 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:57:50,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50 WrapperNode [2021-11-20 06:57:50,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:57:50,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:57:50,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:57:50,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:57:50,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:51,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:51,565 INFO L137 Inliner]: procedures = 661, calls = 4743, calls flagged for inlining = 357, calls inlined = 344, statements flattened = 10404 [2021-11-20 06:57:51,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:57:51,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:57:51,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:57:51,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:57:51,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:51,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:51,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:51,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:51,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:51,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:52,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:52,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:57:52,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:57:52,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:57:52,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:57:52,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2021-11-20 06:57:52,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:57:52,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:52,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b887ae-ab22-4dc8-9a3a-07213c057b4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:57:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:57:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:57:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 06:57:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 06:57:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-11-20 06:57:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-11-20 06:57:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 06:57:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 06:57:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-11-20 06:57:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-11-20 06:57:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:57:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:57:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 06:57:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 06:57:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-11-20 06:57:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-11-20 06:57:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-11-20 06:57:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-11-20 06:57:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-11-20 06:57:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-11-20 06:57:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2021-11-20 06:57:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2021-11-20 06:57:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-11-20 06:57:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-11-20 06:57:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-11-20 06:57:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-11-20 06:57:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 06:57:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 06:57:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-20 06:57:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-20 06:57:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-20 06:57:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-20 06:57:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-11-20 06:57:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-11-20 06:57:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-11-20 06:57:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-11-20 06:57:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 06:57:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 06:57:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 06:57:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 06:57:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 06:57:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 06:57:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 06:57:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 06:57:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-11-20 06:57:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-11-20 06:57:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 06:57:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 06:57:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:57:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:57:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 06:57:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 06:57:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-11-20 06:57:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-11-20 06:57:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:57:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 06:57:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 06:57:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-20 06:57:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-20 06:57:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-20 06:57:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-20 06:57:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-11-20 06:57:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-11-20 06:57:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-11-20 06:57:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-11-20 06:57:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-11-20 06:57:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-11-20 06:57:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-20 06:57:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-20 06:57:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 06:57:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 06:57:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-11-20 06:57:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-11-20 06:57:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-11-20 06:57:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-11-20 06:57:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-11-20 06:57:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-11-20 06:57:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-11-20 06:57:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-11-20 06:57:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:57:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-11-20 06:57:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-11-20 06:57:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:57:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:57:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:57:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-11-20 06:57:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-11-20 06:57:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 06:57:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 06:57:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-11-20 06:57:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-11-20 06:57:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-11-20 06:57:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-11-20 06:57:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:57:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 06:57:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 06:57:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-11-20 06:57:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-11-20 06:57:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:57:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:57:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 06:57:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 06:57:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-11-20 06:57:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-11-20 06:57:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 06:57:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 06:57:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-20 06:57:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-20 06:57:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 06:57:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 06:57:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 06:57:52,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 06:57:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-11-20 06:57:52,205 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-11-20 06:57:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-20 06:57:52,206 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-20 06:57:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-11-20 06:57:52,209 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-11-20 06:57:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:57:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 06:57:52,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 06:57:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 06:57:52,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 06:57:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:57:52,213 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-11-20 06:57:52,213 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-11-20 06:57:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-20 06:57:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-20 06:57:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 06:57:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 06:57:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 06:57:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 06:57:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:57:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:57:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:57:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-11-20 06:57:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-11-20 06:57:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-11-20 06:57:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-11-20 06:57:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:57:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:57:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-20 06:57:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-20 06:57:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-20 06:57:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-20 06:57:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-20 06:57:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-20 06:57:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-11-20 06:57:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-11-20 06:57:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-11-20 06:57:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-11-20 06:57:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:57:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:57:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-11-20 06:57:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-11-20 06:57:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 06:57:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 06:57:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-20 06:57:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-20 06:57:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-20 06:57:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-20 06:57:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-11-20 06:57:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-11-20 06:57:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-20 06:57:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-20 06:57:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-20 06:57:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-20 06:57:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:57:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:57:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-11-20 06:57:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-11-20 06:57:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-11-20 06:57:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-11-20 06:57:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-11-20 06:57:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-11-20 06:57:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:57:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:57:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:57:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:57:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-11-20 06:57:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-11-20 06:57:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-20 06:57:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-20 06:57:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-11-20 06:57:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-11-20 06:57:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-11-20 06:57:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-11-20 06:57:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-20 06:57:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-20 06:57:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-11-20 06:57:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-11-20 06:57:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-11-20 06:57:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-11-20 06:57:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 06:57:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 06:57:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-11-20 06:57:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-11-20 06:57:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:57:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:57:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-11-20 06:57:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-11-20 06:57:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 06:57:52,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 06:57:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-20 06:57:52,232 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-20 06:57:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-11-20 06:57:52,232 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-11-20 06:57:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-11-20 06:57:52,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-11-20 06:57:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-11-20 06:57:52,233 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-11-20 06:57:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:57:52,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:57:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-11-20 06:57:52,233 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-11-20 06:57:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 06:57:52,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 06:57:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-20 06:57:52,234 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-20 06:57:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-11-20 06:57:52,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-11-20 06:57:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-11-20 06:57:52,234 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-11-20 06:57:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 06:57:52,234 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 06:57:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:57:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:57:52,235 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:57:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 06:57:52,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 06:57:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-11-20 06:57:52,235 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-11-20 06:57:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:57:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-11-20 06:57:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-11-20 06:57:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 06:57:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 06:57:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-11-20 06:57:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-11-20 06:57:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-20 06:57:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-20 06:57:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-11-20 06:57:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-11-20 06:57:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2021-11-20 06:57:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2021-11-20 06:57:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:57:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-11-20 06:57:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-11-20 06:57:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 06:57:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 06:57:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 06:57:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 06:57:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:57:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:57:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 06:57:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 06:57:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:57:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:57:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-11-20 06:57:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-11-20 06:57:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 06:57:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 06:57:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-11-20 06:57:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-11-20 06:57:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-20 06:57:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-20 06:57:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-20 06:57:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-20 06:57:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-11-20 06:57:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-11-20 06:57:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 06:57:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 06:57:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-11-20 06:57:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-11-20 06:57:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-11-20 06:57:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-11-20 06:57:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:57:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:57:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-11-20 06:57:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-11-20 06:57:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-20 06:57:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-20 06:57:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-11-20 06:57:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-11-20 06:57:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-11-20 06:57:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-11-20 06:57:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-11-20 06:57:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-11-20 06:57:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 06:57:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 06:57:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:57:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:57:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:57:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-11-20 06:57:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-11-20 06:57:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:57:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:57:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-11-20 06:57:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-11-20 06:57:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-11-20 06:57:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-11-20 06:57:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-11-20 06:57:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-11-20 06:57:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-11-20 06:57:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-11-20 06:57:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-11-20 06:57:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-11-20 06:57:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-11-20 06:57:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-11-20 06:57:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 06:57:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 06:57:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-11-20 06:57:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-11-20 06:57:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-11-20 06:57:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-11-20 06:57:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-11-20 06:57:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-11-20 06:57:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-11-20 06:57:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-11-20 06:57:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2021-11-20 06:57:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2021-11-20 06:57:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-11-20 06:57:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-11-20 06:57:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 06:57:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 06:57:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-11-20 06:57:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-11-20 06:57:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-11-20 06:57:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-11-20 06:57:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-11-20 06:57:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-11-20 06:57:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-11-20 06:57:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-11-20 06:57:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 06:57:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 06:57:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 06:57:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 06:57:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-11-20 06:57:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-11-20 06:57:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-11-20 06:57:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-11-20 06:57:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-11-20 06:57:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-11-20 06:57:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-20 06:57:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-20 06:57:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 06:57:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 06:57:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-11-20 06:57:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-11-20 06:57:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:57:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 06:57:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 06:57:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-11-20 06:57:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-11-20 06:57:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-20 06:57:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-20 06:57:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-11-20 06:57:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-11-20 06:57:53,732 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:57:53,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:57:58,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:58:14,591 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 06:58:14,725 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:58:14,748 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:58:14,749 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 06:58:14,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:14 BoogieIcfgContainer [2021-11-20 06:58:14,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:58:14,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:58:14,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:58:14,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:58:14,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:57:44" (1/3) ... [2021-11-20 06:58:14,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4fbd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:14, skipping insertion in model container [2021-11-20 06:58:14,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (2/3) ... [2021-11-20 06:58:14,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4fbd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:14, skipping insertion in model container [2021-11-20 06:58:14,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:14" (3/3) ... [2021-11-20 06:58:14,765 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-20 06:58:14,770 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:58:14,770 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:58:14,828 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:58:14,835 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:58:14,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:58:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) [2021-11-20 06:58:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-20 06:58:14,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:14,949 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:14,950 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:58:14,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:14,955 INFO L85 PathProgramCache]: Analyzing trace with hash -713587604, now seen corresponding path program 1 times [2021-11-20 06:58:14,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:58:14,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408947860] [2021-11-20 06:58:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:14,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:58:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:58:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:58:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:58:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:15,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:58:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:58:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:58:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:58:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:58:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:58:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:58:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:58:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:58:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:58:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:58:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:58:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:58:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:58:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 06:58:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 06:58:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:58:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 06:58:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 06:58:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 06:58:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-20 06:58:16,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:58:16,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408947860] [2021-11-20 06:58:16,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408947860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:16,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:16,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:58:16,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867239897] [2021-11-20 06:58:16,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:16,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:58:16,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:58:16,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:58:16,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:58:16,589 INFO L87 Difference]: Start difference. First operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-20 06:58:18,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:21,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:24,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:28,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:30,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:35,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:35,430 INFO L93 Difference]: Finished difference Result 9097 states and 12773 transitions. [2021-11-20 06:58:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:58:35,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 276 [2021-11-20 06:58:35,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:35,500 INFO L225 Difference]: With dead ends: 9097 [2021-11-20 06:58:35,501 INFO L226 Difference]: Without dead ends: 5878 [2021-11-20 06:58:35,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:58:35,532 INFO L933 BasicCegarLoop]: 4541 mSDtfsCounter, 4938 mSDsluCounter, 5112 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 2180 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5475 SdHoareTripleChecker+Valid, 9653 SdHoareTripleChecker+Invalid, 4867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2180 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:35,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5475 Valid, 9653 Invalid, 4867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2180 Valid, 2684 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2021-11-20 06:58:35,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2021-11-20 06:58:36,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5573. [2021-11-20 06:58:36,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5573 states, 3941 states have (on average 1.2852068003044912) internal successors, (5065), 4059 states have internal predecessors, (5065), 1302 states have call successors, (1302), 326 states have call predecessors, (1302), 329 states have return successors, (1310), 1275 states have call predecessors, (1310), 1302 states have call successors, (1310) [2021-11-20 06:58:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 7677 transitions. [2021-11-20 06:58:36,086 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 7677 transitions. Word has length 276 [2021-11-20 06:58:36,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:36,093 INFO L470 AbstractCegarLoop]: Abstraction has 5573 states and 7677 transitions. [2021-11-20 06:58:36,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-20 06:58:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 7677 transitions. [2021-11-20 06:58:36,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-20 06:58:36,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:36,112 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:36,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:58:36,113 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:58:36,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:36,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2004072259, now seen corresponding path program 1 times [2021-11-20 06:58:36,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:58:36,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183085667] [2021-11-20 06:58:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:36,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:58:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:58:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:58:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:58:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:58:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:58:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:58:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:58:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:58:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:58:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:58:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:58:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:58:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:58:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:58:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:58:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:58:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:58:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 06:58:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 06:58:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:58:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-20 06:58:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 06:58:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-20 06:58:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-11-20 06:58:37,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:58:37,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183085667] [2021-11-20 06:58:37,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183085667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:37,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:37,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:58:37,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610409062] [2021-11-20 06:58:37,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:37,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:58:37,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:58:37,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:58:37,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:58:37,022 INFO L87 Difference]: Start difference. First operand 5573 states and 7677 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-20 06:58:38,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:39,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:41,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:44,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:46,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:49,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:52,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:57,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:01,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:01,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:01,459 INFO L93 Difference]: Finished difference Result 15524 states and 21384 transitions. [2021-11-20 06:59:01,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:59:01,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 285 [2021-11-20 06:59:01,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:01,539 INFO L225 Difference]: With dead ends: 15524 [2021-11-20 06:59:01,540 INFO L226 Difference]: Without dead ends: 9994 [2021-11-20 06:59:01,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:59:01,570 INFO L933 BasicCegarLoop]: 5496 mSDtfsCounter, 4507 mSDsluCounter, 5627 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 1777 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5055 SdHoareTripleChecker+Valid, 11123 SdHoareTripleChecker+Invalid, 4376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:01,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5055 Valid, 11123 Invalid, 4376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1777 Valid, 2593 Invalid, 6 Unknown, 0 Unchecked, 23.9s Time] [2021-11-20 06:59:01,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-11-20 06:59:01,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9458. [2021-11-20 06:59:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9458 states, 6700 states have (on average 1.2829850746268656) internal successors, (8596), 6893 states have internal predecessors, (8596), 2160 states have call successors, (2160), 594 states have call predecessors, (2160), 597 states have return successors, (2168), 2123 states have call predecessors, (2168), 2160 states have call successors, (2168) [2021-11-20 06:59:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9458 states to 9458 states and 12924 transitions. [2021-11-20 06:59:02,176 INFO L78 Accepts]: Start accepts. Automaton has 9458 states and 12924 transitions. Word has length 285 [2021-11-20 06:59:02,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:02,178 INFO L470 AbstractCegarLoop]: Abstraction has 9458 states and 12924 transitions. [2021-11-20 06:59:02,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-20 06:59:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 9458 states and 12924 transitions. [2021-11-20 06:59:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-20 06:59:02,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:02,190 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2021-11-20 06:59:02,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:59:02,191 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:59:02,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:02,192 INFO L85 PathProgramCache]: Analyzing trace with hash -359255652, now seen corresponding path program 1 times [2021-11-20 06:59:02,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:02,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338847895] [2021-11-20 06:59:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:02,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:59:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:59:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:59:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:59:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:59:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:59:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:59:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:59:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:59:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:59:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:59:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:59:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:59:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:59:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:59:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:59:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:59:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 06:59:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 06:59:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:59:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 06:59:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 06:59:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 06:59:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-20 06:59:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-20 06:59:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 06:59:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-20 06:59:02,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:59:02,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338847895] [2021-11-20 06:59:02,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338847895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:02,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:02,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:59:02,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490832493] [2021-11-20 06:59:02,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:02,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:59:02,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:59:02,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:59:02,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:59:02,966 INFO L87 Difference]: Start difference. First operand 9458 states and 12924 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-20 06:59:05,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:07,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:09,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:11,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:14,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:17,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:21,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:25,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:27,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:27,394 INFO L93 Difference]: Finished difference Result 27706 states and 38008 transitions. [2021-11-20 06:59:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:59:27,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 304 [2021-11-20 06:59:27,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:27,521 INFO L225 Difference]: With dead ends: 27706 [2021-11-20 06:59:27,521 INFO L226 Difference]: Without dead ends: 18291 [2021-11-20 06:59:27,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:59:27,563 INFO L933 BasicCegarLoop]: 5661 mSDtfsCounter, 5119 mSDsluCounter, 5550 mSDsCounter, 0 mSdLazyCounter, 2678 mSolverCounterSat, 2019 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 11211 SdHoareTripleChecker+Invalid, 4702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2019 IncrementalHoareTripleChecker+Valid, 2678 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:27,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5752 Valid, 11211 Invalid, 4702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2019 Valid, 2678 Invalid, 5 Unknown, 0 Unchecked, 23.9s Time] [2021-11-20 06:59:27,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18291 states. [2021-11-20 06:59:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18291 to 17309. [2021-11-20 06:59:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17309 states, 12256 states have (on average 1.2818211488250653) internal successors, (15710), 12612 states have internal predecessors, (15710), 3948 states have call successors, (3948), 1094 states have call predecessors, (3948), 1104 states have return successors, (3996), 3874 states have call predecessors, (3996), 3948 states have call successors, (3996) [2021-11-20 06:59:28,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17309 states to 17309 states and 23654 transitions. [2021-11-20 06:59:28,400 INFO L78 Accepts]: Start accepts. Automaton has 17309 states and 23654 transitions. Word has length 304 [2021-11-20 06:59:28,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:28,401 INFO L470 AbstractCegarLoop]: Abstraction has 17309 states and 23654 transitions. [2021-11-20 06:59:28,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-20 06:59:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 17309 states and 23654 transitions. [2021-11-20 06:59:28,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-20 06:59:28,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:28,416 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:28,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:59:28,417 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:59:28,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:28,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1930624883, now seen corresponding path program 1 times [2021-11-20 06:59:28,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:28,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583539312] [2021-11-20 06:59:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:28,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:59:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:59:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:59:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:59:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:59:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:59:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:59:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:59:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:59:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:59:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:59:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:59:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:59:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:59:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:59:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:59:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:59:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 06:59:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 06:59:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:59:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 06:59:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-20 06:59:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 06:59:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-20 06:59:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 06:59:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 06:59:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-20 06:59:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-20 06:59:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2021-11-20 06:59:29,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:59:29,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583539312] [2021-11-20 06:59:29,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583539312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:29,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:29,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:59:29,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249758470] [2021-11-20 06:59:29,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:29,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:59:29,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:59:29,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:59:29,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:59:29,108 INFO L87 Difference]: Start difference. First operand 17309 states and 23654 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 06:59:31,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:34,353 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:36,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:43,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:45,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:47,847 INFO L93 Difference]: Finished difference Result 53499 states and 73411 transitions. [2021-11-20 06:59:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:59:47,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 324 [2021-11-20 06:59:47,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:48,006 INFO L225 Difference]: With dead ends: 53499 [2021-11-20 06:59:48,007 INFO L226 Difference]: Without dead ends: 36233 [2021-11-20 06:59:48,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:59:48,070 INFO L933 BasicCegarLoop]: 5661 mSDtfsCounter, 5221 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 2695 mSolverCounterSat, 2037 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5875 SdHoareTripleChecker+Valid, 11196 SdHoareTripleChecker+Invalid, 4737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2037 IncrementalHoareTripleChecker+Valid, 2695 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:48,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5875 Valid, 11196 Invalid, 4737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2037 Valid, 2695 Invalid, 5 Unknown, 0 Unchecked, 17.7s Time] [2021-11-20 06:59:48,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36233 states. [2021-11-20 06:59:49,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36233 to 34287. [2021-11-20 06:59:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34287 states, 24269 states have (on average 1.282500309036219) internal successors, (31125), 24993 states have internal predecessors, (31125), 7823 states have call successors, (7823), 2174 states have call predecessors, (7823), 2194 states have return successors, (7919), 7663 states have call predecessors, (7919), 7823 states have call successors, (7919) [2021-11-20 06:59:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34287 states to 34287 states and 46867 transitions. [2021-11-20 06:59:49,671 INFO L78 Accepts]: Start accepts. Automaton has 34287 states and 46867 transitions. Word has length 324 [2021-11-20 06:59:49,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:49,675 INFO L470 AbstractCegarLoop]: Abstraction has 34287 states and 46867 transitions. [2021-11-20 06:59:49,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 06:59:49,676 INFO L276 IsEmpty]: Start isEmpty. Operand 34287 states and 46867 transitions. [2021-11-20 06:59:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-20 06:59:49,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:49,703 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:49,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:59:49,704 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:59:49,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:49,704 INFO L85 PathProgramCache]: Analyzing trace with hash 824382663, now seen corresponding path program 1 times [2021-11-20 06:59:49,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:49,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169049218] [2021-11-20 06:59:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:49,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:59:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:59:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:59:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:59:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:59:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:59:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:59:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:59:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:59:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:59:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:59:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:59:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:59:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:59:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:59:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:59:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:59:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 06:59:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 06:59:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:59:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 06:59:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 06:59:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-20 06:59:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 06:59:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-20 06:59:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-20 06:59:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-20 06:59:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 06:59:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 06:59:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 06:59:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 06:59:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1817 trivial. 0 not checked. [2021-11-20 06:59:50,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:59:50,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169049218] [2021-11-20 06:59:50,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169049218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:50,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:50,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:59:50,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724517452] [2021-11-20 06:59:50,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:50,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:59:50,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:59:50,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:59:50,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:59:50,731 INFO L87 Difference]: Start difference. First operand 34287 states and 46867 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-20 06:59:52,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:54,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:56,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:58,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:01,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:05,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:07,252 INFO L93 Difference]: Finished difference Result 70930 states and 97114 transitions. [2021-11-20 07:00:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:00:07,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 359 [2021-11-20 07:00:07,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:07,550 INFO L225 Difference]: With dead ends: 70930 [2021-11-20 07:00:07,550 INFO L226 Difference]: Without dead ends: 36686 [2021-11-20 07:00:07,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:00:07,643 INFO L933 BasicCegarLoop]: 4169 mSDtfsCounter, 1580 mSDsluCounter, 5080 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 895 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 9249 SdHoareTripleChecker+Invalid, 2915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 895 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:07,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 9249 Invalid, 2915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [895 Valid, 2016 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2021-11-20 07:00:07,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36686 states. [2021-11-20 07:00:08,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36686 to 34762. [2021-11-20 07:00:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34762 states, 24607 states have (on average 1.2809363189336367) internal successors, (31520), 25338 states have internal predecessors, (31520), 7891 states have call successors, (7891), 2243 states have call predecessors, (7891), 2263 states have return successors, (7987), 7731 states have call predecessors, (7987), 7891 states have call successors, (7987) [2021-11-20 07:00:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34762 states to 34762 states and 47398 transitions. [2021-11-20 07:00:09,153 INFO L78 Accepts]: Start accepts. Automaton has 34762 states and 47398 transitions. Word has length 359 [2021-11-20 07:00:09,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:09,154 INFO L470 AbstractCegarLoop]: Abstraction has 34762 states and 47398 transitions. [2021-11-20 07:00:09,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-20 07:00:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 34762 states and 47398 transitions. [2021-11-20 07:00:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-20 07:00:09,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:09,177 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 20, 20, 20, 20, 20, 20, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:09,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:00:09,178 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:00:09,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:09,178 INFO L85 PathProgramCache]: Analyzing trace with hash -272074642, now seen corresponding path program 1 times [2021-11-20 07:00:09,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:09,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492334958] [2021-11-20 07:00:09,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:09,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:00:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:00:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:00:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:00:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:00:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:00:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:00:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:00:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:00:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:00:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:00:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:00:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:00:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:00:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:00:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:09,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:00:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:00:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:00:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:00:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:00:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:00:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:00:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:00:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-20 07:00:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 07:00:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:00:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-20 07:00:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 07:00:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-20 07:00:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 07:00:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2008 trivial. 0 not checked. [2021-11-20 07:00:10,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:10,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492334958] [2021-11-20 07:00:10,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492334958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:10,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:10,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:00:10,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25656684] [2021-11-20 07:00:10,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:10,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:00:10,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:10,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:00:10,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:00:10,333 INFO L87 Difference]: Start difference. First operand 34762 states and 47398 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-20 07:00:13,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:16,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:18,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:20,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:26,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:31,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:31,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:31,269 INFO L93 Difference]: Finished difference Result 84689 states and 115720 transitions. [2021-11-20 07:00:31,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:00:31,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 349 [2021-11-20 07:00:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:31,504 INFO L225 Difference]: With dead ends: 84689 [2021-11-20 07:00:31,504 INFO L226 Difference]: Without dead ends: 50293 [2021-11-20 07:00:31,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:00:31,610 INFO L933 BasicCegarLoop]: 6073 mSDtfsCounter, 4355 mSDsluCounter, 5934 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 1662 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4901 SdHoareTripleChecker+Valid, 12007 SdHoareTripleChecker+Invalid, 4265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1662 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:31,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4901 Valid, 12007 Invalid, 4265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1662 Valid, 2598 Invalid, 5 Unknown, 0 Unchecked, 19.7s Time] [2021-11-20 07:00:31,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50293 states. [2021-11-20 07:00:33,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50293 to 47623. [2021-11-20 07:00:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47623 states, 33698 states have (on average 1.279156032998991) internal successors, (43105), 34691 states have internal predecessors, (43105), 10736 states have call successors, (10736), 3160 states have call predecessors, (10736), 3188 states have return successors, (10848), 10534 states have call predecessors, (10848), 10736 states have call successors, (10848) [2021-11-20 07:00:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47623 states to 47623 states and 64689 transitions. [2021-11-20 07:00:33,745 INFO L78 Accepts]: Start accepts. Automaton has 47623 states and 64689 transitions. Word has length 349 [2021-11-20 07:00:33,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:33,746 INFO L470 AbstractCegarLoop]: Abstraction has 47623 states and 64689 transitions. [2021-11-20 07:00:33,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-20 07:00:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 47623 states and 64689 transitions. [2021-11-20 07:00:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-11-20 07:00:33,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:33,795 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:33,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:00:33,796 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:00:33,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:33,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1990826374, now seen corresponding path program 1 times [2021-11-20 07:00:33,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:33,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086876742] [2021-11-20 07:00:33,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:33,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:00:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:00:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:00:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:00:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:00:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:00:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:00:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:00:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:00:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:00:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:00:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:00:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:00:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:00:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:00:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:00:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:00:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:00:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:00:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:00:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:00:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:00:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:00:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:00:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:00:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-20 07:00:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-20 07:00:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 07:00:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-20 07:00:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-20 07:00:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-20 07:00:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-20 07:00:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-20 07:00:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:00:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 07:00:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-20 07:00:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-20 07:00:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2021-11-20 07:00:34,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:00:34,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086876742] [2021-11-20 07:00:34,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086876742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:34,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:34,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:00:34,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396958321] [2021-11-20 07:00:34,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:34,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:00:34,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:00:34,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:00:34,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:00:34,924 INFO L87 Difference]: Start difference. First operand 47623 states and 64689 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-20 07:00:37,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:38,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:39,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:41,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:44,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:47,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:50,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:52,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:58,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:00,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:04,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:04,047 INFO L93 Difference]: Finished difference Result 146377 states and 199664 transitions. [2021-11-20 07:01:04,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:04,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 405 [2021-11-20 07:01:04,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:04,621 INFO L225 Difference]: With dead ends: 146377 [2021-11-20 07:01:04,622 INFO L226 Difference]: Without dead ends: 99120 [2021-11-20 07:01:04,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:01:04,857 INFO L933 BasicCegarLoop]: 6088 mSDtfsCounter, 5172 mSDsluCounter, 5794 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 1958 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5824 SdHoareTripleChecker+Valid, 11882 SdHoareTripleChecker+Invalid, 4685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1958 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:04,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5824 Valid, 11882 Invalid, 4685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1958 Valid, 2720 Invalid, 7 Unknown, 0 Unchecked, 26.4s Time] [2021-11-20 07:01:04,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99120 states. [2021-11-20 07:01:08,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99120 to 93798. [2021-11-20 07:01:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93798 states, 66417 states have (on average 1.2798831624433504) internal successors, (85006), 68356 states have internal predecessors, (85006), 21105 states have call successors, (21105), 6219 states have call predecessors, (21105), 6275 states have return successors, (21329), 20741 states have call predecessors, (21329), 21105 states have call successors, (21329) [2021-11-20 07:01:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93798 states to 93798 states and 127440 transitions. [2021-11-20 07:01:08,691 INFO L78 Accepts]: Start accepts. Automaton has 93798 states and 127440 transitions. Word has length 405 [2021-11-20 07:01:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:08,692 INFO L470 AbstractCegarLoop]: Abstraction has 93798 states and 127440 transitions. [2021-11-20 07:01:08,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-20 07:01:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 93798 states and 127440 transitions. [2021-11-20 07:01:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-11-20 07:01:08,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:08,746 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:08,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:01:08,747 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:01:08,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:08,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1921178500, now seen corresponding path program 1 times [2021-11-20 07:01:08,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:08,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447154970] [2021-11-20 07:01:08,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:08,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:01:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:01:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:01:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:01:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:01:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:01:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:01:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:01:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:01:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:01:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:01:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:01:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:01:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:01:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:01:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:01:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:01:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:01:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:01:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:01:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:01:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:01:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:01:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:01:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:01:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-20 07:01:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-20 07:01:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 07:01:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-20 07:01:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-20 07:01:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-20 07:01:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-20 07:01:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-20 07:01:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 07:01:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-20 07:01:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-20 07:01:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2021-11-20 07:01:09,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:09,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447154970] [2021-11-20 07:01:09,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447154970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:09,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:09,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:01:09,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048701115] [2021-11-20 07:01:09,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:09,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:01:09,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:09,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:01:09,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:01:09,852 INFO L87 Difference]: Start difference. First operand 93798 states and 127440 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-20 07:01:13,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:14,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:17,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:19,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:20,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:22,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:25,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:28,982 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:35,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:37,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:41,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:41,973 INFO L93 Difference]: Finished difference Result 241411 states and 329148 transitions. [2021-11-20 07:01:41,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:41,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 405 [2021-11-20 07:01:41,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:42,923 INFO L225 Difference]: With dead ends: 241411 [2021-11-20 07:01:42,923 INFO L226 Difference]: Without dead ends: 146703 [2021-11-20 07:01:43,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:01:43,182 INFO L933 BasicCegarLoop]: 6680 mSDtfsCounter, 4921 mSDsluCounter, 6044 mSDsCounter, 0 mSdLazyCounter, 2751 mSolverCounterSat, 1817 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5571 SdHoareTripleChecker+Valid, 12724 SdHoareTripleChecker+Invalid, 4574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1817 IncrementalHoareTripleChecker+Valid, 2751 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:43,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5571 Valid, 12724 Invalid, 4574 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1817 Valid, 2751 Invalid, 6 Unknown, 0 Unchecked, 28.0s Time] [2021-11-20 07:01:43,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146703 states. [2021-11-20 07:01:47,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146703 to 138823. [2021-11-20 07:01:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138823 states, 98290 states have (on average 1.2804456201037746) internal successors, (125855), 101151 states have internal predecessors, (125855), 31258 states have call successors, (31258), 9194 states have call predecessors, (31258), 9274 states have return successors, (31587), 30731 states have call predecessors, (31587), 31255 states have call successors, (31587) [2021-11-20 07:01:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138823 states to 138823 states and 188700 transitions. [2021-11-20 07:01:48,682 INFO L78 Accepts]: Start accepts. Automaton has 138823 states and 188700 transitions. Word has length 405 [2021-11-20 07:01:48,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:48,682 INFO L470 AbstractCegarLoop]: Abstraction has 138823 states and 188700 transitions. [2021-11-20 07:01:48,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-20 07:01:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 138823 states and 188700 transitions. [2021-11-20 07:01:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-20 07:01:48,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:48,738 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:48,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:01:48,739 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:01:48,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:48,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1805481894, now seen corresponding path program 1 times [2021-11-20 07:01:48,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:48,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282038132] [2021-11-20 07:01:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:48,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:01:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:01:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:01:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:01:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:01:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:01:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:01:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:01:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:01:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:01:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:01:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:01:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:01:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:01:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:01:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:01:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:01:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:01:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:01:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:01:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:01:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:01:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:01:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-20 07:01:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 07:01:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:01:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-20 07:01:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:01:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:01:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:01:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 07:01:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:01:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:01:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 07:01:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 07:01:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 07:01:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-20 07:01:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:01:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-20 07:01:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2273 trivial. 0 not checked. [2021-11-20 07:01:49,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:49,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282038132] [2021-11-20 07:01:49,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282038132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:49,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:49,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:01:49,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213960753] [2021-11-20 07:01:49,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:49,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:01:49,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:49,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:01:49,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:01:49,716 INFO L87 Difference]: Start difference. First operand 138823 states and 188700 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-20 07:01:53,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:54,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:57,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:59,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:03,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:05,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:07,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:09,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:15,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:22,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:23,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:02:23,330 INFO L93 Difference]: Finished difference Result 325054 states and 442834 transitions. [2021-11-20 07:02:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:02:23,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 423 [2021-11-20 07:02:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:02:24,337 INFO L225 Difference]: With dead ends: 325054 [2021-11-20 07:02:24,337 INFO L226 Difference]: Without dead ends: 185497 [2021-11-20 07:02:25,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:02:25,036 INFO L933 BasicCegarLoop]: 7202 mSDtfsCounter, 3837 mSDsluCounter, 6389 mSDsCounter, 0 mSdLazyCounter, 2637 mSolverCounterSat, 1429 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4384 SdHoareTripleChecker+Valid, 13591 SdHoareTripleChecker+Invalid, 4072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1429 IncrementalHoareTripleChecker+Valid, 2637 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:02:25,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4384 Valid, 13591 Invalid, 4072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1429 Valid, 2637 Invalid, 6 Unknown, 0 Unchecked, 28.1s Time] [2021-11-20 07:02:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185497 states. [2021-11-20 07:02:30,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185497 to 175503. [2021-11-20 07:02:30,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175503 states, 124245 states have (on average 1.2796410318322669) internal successors, (158989), 127836 states have internal predecessors, (158989), 39351 states have call successors, (39351), 11806 states have call predecessors, (39351), 11906 states have return successors, (39721), 38729 states have call predecessors, (39721), 39345 states have call successors, (39721) [2021-11-20 07:02:31,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175503 states to 175503 states and 238061 transitions. [2021-11-20 07:02:31,952 INFO L78 Accepts]: Start accepts. Automaton has 175503 states and 238061 transitions. Word has length 423 [2021-11-20 07:02:31,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:02:31,953 INFO L470 AbstractCegarLoop]: Abstraction has 175503 states and 238061 transitions. [2021-11-20 07:02:31,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-20 07:02:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 175503 states and 238061 transitions. [2021-11-20 07:02:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-20 07:02:31,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:02:31,997 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:02:31,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:02:31,997 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:02:31,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:31,998 INFO L85 PathProgramCache]: Analyzing trace with hash -105560664, now seen corresponding path program 1 times [2021-11-20 07:02:31,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:31,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530413098] [2021-11-20 07:02:31,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:31,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:02:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:02:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:02:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:02:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:02:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:02:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:02:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:02:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:02:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:02:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:02:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:02:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:02:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:02:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:02:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:02:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:02:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:02:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:02:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:02:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:02:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:02:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:02:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-20 07:02:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 07:02:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:02:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-20 07:02:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:02:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:02:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:02:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 07:02:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:02:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:02:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 07:02:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 07:02:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 07:02:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-20 07:02:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:02:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-20 07:02:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2297 trivial. 0 not checked. [2021-11-20 07:02:33,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:02:33,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530413098] [2021-11-20 07:02:33,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530413098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:02:33,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:02:33,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:02:33,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023537260] [2021-11-20 07:02:33,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:02:33,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:02:33,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:02:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:02:33,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:02:33,611 INFO L87 Difference]: Start difference. First operand 175503 states and 238061 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-20 07:02:36,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:37,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:38,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:40,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:43,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:46,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:56,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:03:05,686 INFO L93 Difference]: Finished difference Result 442832 states and 614888 transitions. [2021-11-20 07:03:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:03:05,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 423 [2021-11-20 07:03:05,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:03:07,360 INFO L225 Difference]: With dead ends: 442832 [2021-11-20 07:03:07,361 INFO L226 Difference]: Without dead ends: 267695 [2021-11-20 07:03:07,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:03:07,798 INFO L933 BasicCegarLoop]: 5645 mSDtfsCounter, 5221 mSDsluCounter, 14294 mSDsCounter, 0 mSdLazyCounter, 4582 mSolverCounterSat, 1980 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5447 SdHoareTripleChecker+Valid, 19939 SdHoareTripleChecker+Invalid, 6565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1980 IncrementalHoareTripleChecker+Valid, 4582 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:03:07,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5447 Valid, 19939 Invalid, 6565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1980 Valid, 4582 Invalid, 3 Unknown, 0 Unchecked, 23.1s Time] [2021-11-20 07:03:08,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267695 states. [2021-11-20 07:03:15,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267695 to 175575. [2021-11-20 07:03:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175575 states, 124317 states have (on average 1.2794790736584698) internal successors, (159061), 127908 states have internal predecessors, (159061), 39351 states have call successors, (39351), 11806 states have call predecessors, (39351), 11906 states have return successors, (39721), 38729 states have call predecessors, (39721), 39345 states have call successors, (39721) [2021-11-20 07:03:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175575 states to 175575 states and 238133 transitions. [2021-11-20 07:03:16,620 INFO L78 Accepts]: Start accepts. Automaton has 175575 states and 238133 transitions. Word has length 423 [2021-11-20 07:03:16,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:03:16,622 INFO L470 AbstractCegarLoop]: Abstraction has 175575 states and 238133 transitions. [2021-11-20 07:03:16,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-20 07:03:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 175575 states and 238133 transitions. [2021-11-20 07:03:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-20 07:03:16,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:03:16,645 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:03:16,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:03:16,646 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:03:16,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:03:16,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1945423334, now seen corresponding path program 1 times [2021-11-20 07:03:16,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:03:16,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114696765] [2021-11-20 07:03:16,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:03:16,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:03:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:03:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:03:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:03:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:03:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:03:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:03:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:03:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:03:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:03:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:03:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:03:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:03:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:03:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat