./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:59:16,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:59:16,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:59:16,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:59:16,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:59:16,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:59:16,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:59:16,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:59:16,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:59:16,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:59:16,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:59:16,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:59:16,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:59:16,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:59:16,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:59:16,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:59:16,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:59:16,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:59:16,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:59:16,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:59:16,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:59:16,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:59:16,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:59:16,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:59:16,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:59:16,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:59:16,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:59:16,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:59:16,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:59:16,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:59:16,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:59:16,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:59:16,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:59:16,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:59:16,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:59:16,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:59:16,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:59:16,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:59:16,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:59:16,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:59:16,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:59:16,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:59:16,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:59:16,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:59:16,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:59:16,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:59:16,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:59:16,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:59:16,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:59:16,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:59:16,295 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:59:16,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:59:16,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:59:16,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:59:16,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:59:16,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:59:16,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:59:16,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:59:16,298 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:59:16,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:59:16,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:59:16,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:59:16,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:59:16,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:59:16,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:59:16,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:59:16,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:59:16,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:59:16,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:59:16,300 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:59:16,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:59:16,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:59:16,301 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_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-11-21 16:59:16,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:59:16,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:59:16,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:59:16,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:59:16,650 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:59:16,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-21 16:59:19,817 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:59:20,609 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:59:20,610 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-21 16:59:20,688 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/data/a5e18bb89/b44aaf99867741dcb5ab90ecd7728867/FLAGdfe6721ca [2022-11-21 16:59:20,705 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/data/a5e18bb89/b44aaf99867741dcb5ab90ecd7728867 [2022-11-21 16:59:20,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:59:20,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:59:20,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:59:20,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:59:20,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:59:20,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:20" (1/1) ... [2022-11-21 16:59:20,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66588662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:20, skipping insertion in model container [2022-11-21 16:59:20,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:20" (1/1) ... [2022-11-21 16:59:20,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:59:20,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:59:24,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-11-21 16:59:24,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:59:25,011 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:59:25,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-11-21 16:59:25,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:59:25,939 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:59:25,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25 WrapperNode [2022-11-21 16:59:25,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:59:25,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:59:25,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:59:25,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:59:25,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,261 INFO L138 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 5561 [2022-11-21 16:59:26,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:59:26,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:59:26,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:59:26,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:59:26,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:59:26,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:59:26,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:59:26,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:59:26,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (1/1) ... [2022-11-21 16:59:26,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:59:26,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:59:26,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:59:26,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1a11d9-c538-451e-9432-7668689f4e24/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:59:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-11-21 16:59:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-11-21 16:59:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-21 16:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-21 16:59:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-21 16:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-21 16:59:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-11-21 16:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-11-21 16:59:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-11-21 16:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-11-21 16:59:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:59:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-21 16:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-21 16:59:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 16:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 16:59:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-11-21 16:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-11-21 16:59:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:59:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-11-21 16:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-11-21 16:59:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-11-21 16:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-11-21 16:59:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-11-21 16:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-11-21 16:59:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-21 16:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-21 16:59:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-11-21 16:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-11-21 16:59:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-21 16:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-21 16:59:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-11-21 16:59:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-11-21 16:59:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-21 16:59:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-21 16:59:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-11-21 16:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-11-21 16:59:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-21 16:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-21 16:59:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-21 16:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-21 16:59:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 16:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 16:59:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-11-21 16:59:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-11-21 16:59:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-11-21 16:59:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-11-21 16:59:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-11-21 16:59:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-11-21 16:59:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:59:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:59:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-11-21 16:59:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-11-21 16:59:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-11-21 16:59:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-11-21 16:59:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-11-21 16:59:26,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-11-21 16:59:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-21 16:59:26,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-21 16:59:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-21 16:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-21 16:59:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-11-21 16:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-11-21 16:59:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 16:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 16:59:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-21 16:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-21 16:59:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 16:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 16:59:26,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:59:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-11-21 16:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-11-21 16:59:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:59:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-11-21 16:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-11-21 16:59:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:59:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-11-21 16:59:26,866 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-11-21 16:59:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-21 16:59:26,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-21 16:59:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-11-21 16:59:26,867 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-11-21 16:59:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 16:59:26,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 16:59:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-11-21 16:59:26,868 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-11-21 16:59:26,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 16:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 16:59:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 16:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 16:59:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-11-21 16:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-11-21 16:59:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:59:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-11-21 16:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-11-21 16:59:26,870 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 16:59:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 16:59:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:59:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-21 16:59:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-21 16:59:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:59:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:59:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:59:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-11-21 16:59:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-11-21 16:59:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-21 16:59:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-21 16:59:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-11-21 16:59:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-11-21 16:59:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 16:59:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 16:59:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-11-21 16:59:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-11-21 16:59:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 16:59:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 16:59:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-11-21 16:59:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-11-21 16:59:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-11-21 16:59:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-11-21 16:59:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-21 16:59:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-21 16:59:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-21 16:59:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-21 16:59:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-11-21 16:59:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-11-21 16:59:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 16:59:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 16:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-11-21 16:59:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-11-21 16:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-11-21 16:59:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-11-21 16:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-21 16:59:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-21 16:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-11-21 16:59:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-11-21 16:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-11-21 16:59:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-11-21 16:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-11-21 16:59:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-11-21 16:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-21 16:59:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-21 16:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-11-21 16:59:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-11-21 16:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-21 16:59:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-21 16:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-11-21 16:59:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-11-21 16:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 16:59:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 16:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:59:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-11-21 16:59:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-11-21 16:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:59:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-11-21 16:59:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-11-21 16:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-21 16:59:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-21 16:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-21 16:59:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-21 16:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-21 16:59:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-21 16:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-11-21 16:59:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-11-21 16:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-11-21 16:59:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-11-21 16:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-21 16:59:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-21 16:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-11-21 16:59:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-11-21 16:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-11-21 16:59:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-11-21 16:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-21 16:59:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-21 16:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-11-21 16:59:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-11-21 16:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 16:59:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 16:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-11-21 16:59:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-11-21 16:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:59:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 16:59:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 16:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-21 16:59:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-21 16:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-21 16:59:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-21 16:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 16:59:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 16:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:59:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-21 16:59:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-21 16:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-21 16:59:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-21 16:59:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-21 16:59:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-21 16:59:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 16:59:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 16:59:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-11-21 16:59:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-11-21 16:59:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-11-21 16:59:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-11-21 16:59:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-21 16:59:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-21 16:59:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-21 16:59:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-21 16:59:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:59:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:59:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-11-21 16:59:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-11-21 16:59:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-21 16:59:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-21 16:59:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:59:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:59:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-21 16:59:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-21 16:59:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:59:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:59:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:59:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:59:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 16:59:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 16:59:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-21 16:59:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-21 16:59:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-11-21 16:59:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-11-21 16:59:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-11-21 16:59:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-11-21 16:59:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-11-21 16:59:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-11-21 16:59:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-21 16:59:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-21 16:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-11-21 16:59:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-11-21 16:59:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 16:59:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 16:59:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-11-21 16:59:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-11-21 16:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 16:59:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 16:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-11-21 16:59:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-11-21 16:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-11-21 16:59:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-11-21 16:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-21 16:59:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-21 16:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-11-21 16:59:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-11-21 16:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-11-21 16:59:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-11-21 16:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 16:59:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 16:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 16:59:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 16:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-11-21 16:59:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-11-21 16:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-21 16:59:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-21 16:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-11-21 16:59:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-11-21 16:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-11-21 16:59:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-11-21 16:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-11-21 16:59:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-11-21 16:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-11-21 16:59:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-11-21 16:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-11-21 16:59:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-11-21 16:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-21 16:59:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-21 16:59:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-11-21 16:59:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-11-21 16:59:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 16:59:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 16:59:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-11-21 16:59:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-11-21 16:59:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 16:59:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 16:59:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-11-21 16:59:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-11-21 16:59:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-11-21 16:59:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-11-21 16:59:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-21 16:59:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-21 16:59:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-21 16:59:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-21 16:59:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-11-21 16:59:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-11-21 16:59:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 16:59:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 16:59:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:59:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:59:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-11-21 16:59:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-11-21 16:59:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-11-21 16:59:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-11-21 16:59:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:59:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-21 16:59:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-21 16:59:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-21 16:59:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-21 16:59:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:59:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:59:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-11-21 16:59:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-11-21 16:59:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-11-21 16:59:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-11-21 16:59:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-11-21 16:59:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-11-21 16:59:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-11-21 16:59:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-11-21 16:59:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 16:59:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 16:59:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-11-21 16:59:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-11-21 16:59:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-11-21 16:59:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-11-21 16:59:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-11-21 16:59:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-11-21 16:59:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-11-21 16:59:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-11-21 16:59:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-11-21 16:59:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-11-21 16:59:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-21 16:59:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-21 16:59:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-11-21 16:59:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-11-21 16:59:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-11-21 16:59:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-11-21 16:59:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-11-21 16:59:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-11-21 16:59:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-11-21 16:59:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-11-21 16:59:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 16:59:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 16:59:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:59:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:59:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-11-21 16:59:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-11-21 16:59:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:59:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-11-21 16:59:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-11-21 16:59:28,015 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:59:28,020 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:59:28,272 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:00:24,011 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:00:24,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:00:24,032 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:00:24,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:24 BoogieIcfgContainer [2022-11-21 17:00:24,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:00:24,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:00:24,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:00:24,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:00:24,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:59:20" (1/3) ... [2022-11-21 17:00:24,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df2a1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:00:24, skipping insertion in model container [2022-11-21 17:00:24,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:25" (2/3) ... [2022-11-21 17:00:24,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df2a1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:00:24, skipping insertion in model container [2022-11-21 17:00:24,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:24" (3/3) ... [2022-11-21 17:00:24,046 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-21 17:00:24,065 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:00:24,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:00:24,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:00:24,174 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bd4024e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:00:24,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:00:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 2807 states, 1724 states have (on average 1.306844547563805) internal successors, (2253), 1790 states have internal predecessors, (2253), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) [2022-11-21 17:00:24,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-21 17:00:24,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:24,207 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:24,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:24,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:24,214 INFO L85 PathProgramCache]: Analyzing trace with hash 361447503, now seen corresponding path program 1 times [2022-11-21 17:00:24,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:24,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709489285] [2022-11-21 17:00:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:24,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:00:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:00:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:00:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:00:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:00:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:00:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:00:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:00:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:00:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:00:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:00:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:00:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:00:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:00:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:00:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:00:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:00:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 17:00:26,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:26,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709489285] [2022-11-21 17:00:26,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709489285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:26,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:26,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:00:26,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453456617] [2022-11-21 17:00:26,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:26,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:00:26,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:26,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:00:26,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:00:26,590 INFO L87 Difference]: Start difference. First operand has 2807 states, 1724 states have (on average 1.306844547563805) internal successors, (2253), 1790 states have internal predecessors, (2253), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 17:00:28,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:30,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:35,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:52,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:52,493 INFO L93 Difference]: Finished difference Result 6161 states and 9703 transitions. [2022-11-21 17:00:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:00:52,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2022-11-21 17:00:52,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:52,553 INFO L225 Difference]: With dead ends: 6161 [2022-11-21 17:00:52,553 INFO L226 Difference]: Without dead ends: 3345 [2022-11-21 17:00:52,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:52,591 INFO L413 NwaCegarLoop]: 3423 mSDtfsCounter, 2502 mSDsluCounter, 3094 mSDsCounter, 0 mSdLazyCounter, 2678 mSolverCounterSat, 2711 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 6517 SdHoareTripleChecker+Invalid, 5391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2711 IncrementalHoareTripleChecker+Valid, 2678 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:52,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2573 Valid, 6517 Invalid, 5391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2711 Valid, 2678 Invalid, 2 Unknown, 0 Unchecked, 25.1s Time] [2022-11-21 17:00:52,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2022-11-21 17:00:52,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 2793. [2022-11-21 17:00:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2793 states, 1718 states have (on average 1.3020954598370198) internal successors, (2237), 1776 states have internal predecessors, (2237), 906 states have call successors, (906), 169 states have call predecessors, (906), 168 states have return successors, (899), 885 states have call predecessors, (899), 899 states have call successors, (899) [2022-11-21 17:00:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 4042 transitions. [2022-11-21 17:00:52,936 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 4042 transitions. Word has length 250 [2022-11-21 17:00:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:52,937 INFO L495 AbstractCegarLoop]: Abstraction has 2793 states and 4042 transitions. [2022-11-21 17:00:52,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 17:00:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 4042 transitions. [2022-11-21 17:00:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-21 17:00:52,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:52,955 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:52,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:00:52,957 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:52,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash 183947489, now seen corresponding path program 1 times [2022-11-21 17:00:52,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:52,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765095036] [2022-11-21 17:00:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:52,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:00:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:00:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:00:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:00:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:00:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:00:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:00:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:00:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:00:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:00:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:00:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:00:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:00:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:00:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:00:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:00:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:00:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 17:00:54,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765095036] [2022-11-21 17:00:54,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765095036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:54,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:54,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:00:54,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061321878] [2022-11-21 17:00:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:54,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:00:54,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:54,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:00:54,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:54,914 INFO L87 Difference]: Start difference. First operand 2793 states and 4042 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 17:00:56,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:59,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:01,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:42,011 INFO L93 Difference]: Finished difference Result 9364 states and 14015 transitions. [2022-11-21 17:01:42,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:01:42,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2022-11-21 17:01:42,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:42,170 INFO L225 Difference]: With dead ends: 9364 [2022-11-21 17:01:42,170 INFO L226 Difference]: Without dead ends: 6614 [2022-11-21 17:01:42,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:01:42,199 INFO L413 NwaCegarLoop]: 4024 mSDtfsCounter, 8579 mSDsluCounter, 6641 mSDsCounter, 0 mSdLazyCounter, 5686 mSolverCounterSat, 6154 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9014 SdHoareTripleChecker+Valid, 10665 SdHoareTripleChecker+Invalid, 11843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6154 IncrementalHoareTripleChecker+Valid, 5686 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:42,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9014 Valid, 10665 Invalid, 11843 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6154 Valid, 5686 Invalid, 3 Unknown, 0 Unchecked, 46.0s Time] [2022-11-21 17:01:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6614 states. [2022-11-21 17:01:42,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6614 to 5508. [2022-11-21 17:01:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5508 states, 3391 states have (on average 1.3040401061633737) internal successors, (4422), 3501 states have internal predecessors, (4422), 1781 states have call successors, (1781), 336 states have call predecessors, (1781), 335 states have return successors, (1774), 1746 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-21 17:01:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 7977 transitions. [2022-11-21 17:01:42,732 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 7977 transitions. Word has length 250 [2022-11-21 17:01:42,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:42,736 INFO L495 AbstractCegarLoop]: Abstraction has 5508 states and 7977 transitions. [2022-11-21 17:01:42,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 17:01:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 7977 transitions. [2022-11-21 17:01:42,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-21 17:01:42,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:42,745 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:42,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:01:42,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:01:42,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:42,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1527907586, now seen corresponding path program 1 times [2022-11-21 17:01:42,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:42,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072656501] [2022-11-21 17:01:42,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:42,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:01:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:01:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:01:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:01:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:01:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:01:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:01:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:01:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:01:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:01:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:01:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:01:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:01:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:01:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:01:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:01:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:01:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-21 17:01:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 17:01:44,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:44,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072656501] [2022-11-21 17:01:44,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072656501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:44,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:01:44,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:01:44,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167153325] [2022-11-21 17:01:44,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:44,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:01:44,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:44,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:01:44,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:44,453 INFO L87 Difference]: Start difference. First operand 5508 states and 7977 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:01:46,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:50,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:02:05,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:02:20,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:02:20,780 INFO L93 Difference]: Finished difference Result 18478 states and 27624 transitions. [2022-11-21 17:02:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:02:20,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-11-21 17:02:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:02:20,906 INFO L225 Difference]: With dead ends: 18478 [2022-11-21 17:02:20,907 INFO L226 Difference]: Without dead ends: 13013 [2022-11-21 17:02:20,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:02:20,958 INFO L413 NwaCegarLoop]: 5137 mSDtfsCounter, 9062 mSDsluCounter, 5614 mSDsCounter, 0 mSdLazyCounter, 4734 mSolverCounterSat, 7120 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9489 SdHoareTripleChecker+Valid, 10751 SdHoareTripleChecker+Invalid, 11855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7120 IncrementalHoareTripleChecker+Valid, 4734 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:02:20,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9489 Valid, 10751 Invalid, 11855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7120 Valid, 4734 Invalid, 1 Unknown, 0 Unchecked, 35.1s Time] [2022-11-21 17:02:20,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13013 states. [2022-11-21 17:02:21,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13013 to 10797. [2022-11-21 17:02:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10797 states, 6646 states have (on average 1.3030394222088475) internal successors, (8660), 6854 states have internal predecessors, (8660), 3481 states have call successors, (3481), 670 states have call predecessors, (3481), 669 states have return successors, (3474), 3420 states have call predecessors, (3474), 3474 states have call successors, (3474) [2022-11-21 17:02:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10797 states to 10797 states and 15615 transitions. [2022-11-21 17:02:21,785 INFO L78 Accepts]: Start accepts. Automaton has 10797 states and 15615 transitions. Word has length 257 [2022-11-21 17:02:21,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:02:21,787 INFO L495 AbstractCegarLoop]: Abstraction has 10797 states and 15615 transitions. [2022-11-21 17:02:21,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:02:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 10797 states and 15615 transitions. [2022-11-21 17:02:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-21 17:02:21,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:02:21,795 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:02:21,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:02:21,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:02:21,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:02:21,796 INFO L85 PathProgramCache]: Analyzing trace with hash -675988608, now seen corresponding path program 1 times [2022-11-21 17:02:21,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:02:21,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562224281] [2022-11-21 17:02:21,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:02:21,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:02:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:02:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:02:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:02:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:02:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:02:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:02:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:02:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:02:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:02:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:02:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:02:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:02:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:02:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:02:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:02:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:02:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:02:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-21 17:02:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-21 17:02:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 17:02:23,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:02:23,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562224281] [2022-11-21 17:02:23,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562224281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:02:23,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:02:23,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:02:23,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755559435] [2022-11-21 17:02:23,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:02:23,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:02:23,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:02:23,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:02:23,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:02:23,368 INFO L87 Difference]: Start difference. First operand 10797 states and 15615 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 17:02:25,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:02:38,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:02:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:02:55,885 INFO L93 Difference]: Finished difference Result 34554 states and 51600 transitions. [2022-11-21 17:02:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:02:55,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 264 [2022-11-21 17:02:55,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:02:56,074 INFO L225 Difference]: With dead ends: 34554 [2022-11-21 17:02:56,074 INFO L226 Difference]: Without dead ends: 23800 [2022-11-21 17:02:56,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:02:56,146 INFO L413 NwaCegarLoop]: 4052 mSDtfsCounter, 9400 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 4289 mSolverCounterSat, 7758 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9790 SdHoareTripleChecker+Valid, 9054 SdHoareTripleChecker+Invalid, 12048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7758 IncrementalHoareTripleChecker+Valid, 4289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:02:56,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9790 Valid, 9054 Invalid, 12048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7758 Valid, 4289 Invalid, 1 Unknown, 0 Unchecked, 30.6s Time] [2022-11-21 17:02:56,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23800 states. [2022-11-21 17:02:57,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23800 to 19832. [2022-11-21 17:02:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19832 states, 12108 states have (on average 1.2986455236207466) internal successors, (15724), 12512 states have internal predecessors, (15724), 6444 states have call successors, (6444), 1280 states have call predecessors, (6444), 1279 states have return successors, (6437), 6329 states have call predecessors, (6437), 6437 states have call successors, (6437) [2022-11-21 17:02:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19832 states to 19832 states and 28605 transitions. [2022-11-21 17:02:57,814 INFO L78 Accepts]: Start accepts. Automaton has 19832 states and 28605 transitions. Word has length 264 [2022-11-21 17:02:57,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:02:57,818 INFO L495 AbstractCegarLoop]: Abstraction has 19832 states and 28605 transitions. [2022-11-21 17:02:57,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 17:02:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 19832 states and 28605 transitions. [2022-11-21 17:02:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-21 17:02:57,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:02:57,824 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:02:57,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:02:57,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:02:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:02:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1182872069, now seen corresponding path program 1 times [2022-11-21 17:02:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:02:57,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563952452] [2022-11-21 17:02:57,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:02:57,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:02:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:02:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:02:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:02:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:02:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:02:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:02:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:02:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:02:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:02:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:02:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:02:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:02:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:02:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:02:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:02:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:02:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:02:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-21 17:02:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:02:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 17:02:59,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:02:59,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563952452] [2022-11-21 17:02:59,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563952452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:02:59,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:02:59,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:02:59,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369979125] [2022-11-21 17:02:59,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:02:59,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:02:59,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:02:59,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:02:59,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:02:59,163 INFO L87 Difference]: Start difference. First operand 19832 states and 28605 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 17:03:01,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:03:17,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:03:34,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:34,514 INFO L93 Difference]: Finished difference Result 64849 states and 96990 transitions. [2022-11-21 17:03:34,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:03:34,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 269 [2022-11-21 17:03:34,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:34,964 INFO L225 Difference]: With dead ends: 64849 [2022-11-21 17:03:34,964 INFO L226 Difference]: Without dead ends: 45070 [2022-11-21 17:03:35,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:03:35,114 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 9604 mSDsluCounter, 5116 mSDsCounter, 0 mSdLazyCounter, 4501 mSolverCounterSat, 7883 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9988 SdHoareTripleChecker+Valid, 9420 SdHoareTripleChecker+Invalid, 12385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7883 IncrementalHoareTripleChecker+Valid, 4501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:35,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9988 Valid, 9420 Invalid, 12385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7883 Valid, 4501 Invalid, 1 Unknown, 0 Unchecked, 32.4s Time] [2022-11-21 17:03:35,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45070 states. [2022-11-21 17:03:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45070 to 39160. [2022-11-21 17:03:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39160 states, 23867 states have (on average 1.2905685674781078) internal successors, (30802), 24645 states have internal predecessors, (30802), 12593 states have call successors, (12593), 2476 states have call predecessors, (12593), 2699 states have return successors, (14424), 12582 states have call predecessors, (14424), 12586 states have call successors, (14424) [2022-11-21 17:03:38,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39160 states to 39160 states and 57819 transitions. [2022-11-21 17:03:38,589 INFO L78 Accepts]: Start accepts. Automaton has 39160 states and 57819 transitions. Word has length 269 [2022-11-21 17:03:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:38,590 INFO L495 AbstractCegarLoop]: Abstraction has 39160 states and 57819 transitions. [2022-11-21 17:03:38,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 17:03:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 39160 states and 57819 transitions. [2022-11-21 17:03:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-21 17:03:38,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:38,596 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:38,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:03:38,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:38,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:38,597 INFO L85 PathProgramCache]: Analyzing trace with hash -714639424, now seen corresponding path program 1 times [2022-11-21 17:03:38,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:38,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609424137] [2022-11-21 17:03:38,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:38,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:03:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:03:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:03:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:03:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:03:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:03:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:03:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:03:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:03:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:03:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:03:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:03:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:03:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:03:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:03:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:03:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:03:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:03:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:41,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:03:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:03:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-21 17:03:41,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:41,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609424137] [2022-11-21 17:03:41,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609424137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:41,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:41,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:03:41,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930733714] [2022-11-21 17:03:41,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:41,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:03:41,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:41,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:03:41,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:03:41,051 INFO L87 Difference]: Start difference. First operand 39160 states and 57819 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:03:43,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:04:17,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:04:17,176 INFO L93 Difference]: Finished difference Result 124154 states and 190321 transitions. [2022-11-21 17:04:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:04:17,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 270 [2022-11-21 17:04:17,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:04:18,312 INFO L225 Difference]: With dead ends: 124154 [2022-11-21 17:04:18,312 INFO L226 Difference]: Without dead ends: 85047 [2022-11-21 17:04:18,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:04:18,772 INFO L413 NwaCegarLoop]: 4456 mSDtfsCounter, 8961 mSDsluCounter, 5313 mSDsCounter, 0 mSdLazyCounter, 4315 mSolverCounterSat, 7198 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9303 SdHoareTripleChecker+Valid, 9769 SdHoareTripleChecker+Invalid, 11514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7198 IncrementalHoareTripleChecker+Valid, 4315 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:04:18,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9303 Valid, 9769 Invalid, 11514 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7198 Valid, 4315 Invalid, 1 Unknown, 0 Unchecked, 30.1s Time] [2022-11-21 17:04:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85047 states. [2022-11-21 17:04:24,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85047 to 73254. [2022-11-21 17:04:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73254 states, 44708 states have (on average 1.2931019056992037) internal successors, (57812), 46348 states have internal predecessors, (57812), 23393 states have call successors, (23393), 4830 states have call predecessors, (23393), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-21 17:04:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73254 states to 73254 states and 108408 transitions. [2022-11-21 17:04:25,412 INFO L78 Accepts]: Start accepts. Automaton has 73254 states and 108408 transitions. Word has length 270 [2022-11-21 17:04:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:04:25,413 INFO L495 AbstractCegarLoop]: Abstraction has 73254 states and 108408 transitions. [2022-11-21 17:04:25,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:04:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 73254 states and 108408 transitions. [2022-11-21 17:04:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-21 17:04:25,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:04:25,420 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:04:25,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:04:25,420 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:04:25,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:04:25,421 INFO L85 PathProgramCache]: Analyzing trace with hash -680708438, now seen corresponding path program 1 times [2022-11-21 17:04:25,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:04:25,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415336423] [2022-11-21 17:04:25,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:04:25,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:04:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:04:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:04:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:04:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:04:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:04:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:04:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:04:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:04:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:04:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:04:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:04:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:04:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:04:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:04:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:04:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:04:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:04:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:04:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:04:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:04:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:04:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-21 17:04:27,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:04:27,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415336423] [2022-11-21 17:04:27,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415336423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:04:27,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:04:27,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:04:27,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641754744] [2022-11-21 17:04:27,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:04:27,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:04:27,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:04:27,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:04:27,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:04:27,580 INFO L87 Difference]: Start difference. First operand 73254 states and 108408 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:04:29,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:04:45,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:04:55,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:04:55,470 INFO L93 Difference]: Finished difference Result 84469 states and 130040 transitions. [2022-11-21 17:04:55,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:04:55,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 271 [2022-11-21 17:04:55,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:04:56,275 INFO L225 Difference]: With dead ends: 84469 [2022-11-21 17:04:56,276 INFO L226 Difference]: Without dead ends: 84466 [2022-11-21 17:04:56,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:04:56,333 INFO L413 NwaCegarLoop]: 3261 mSDtfsCounter, 5816 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 3360 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6194 SdHoareTripleChecker+Valid, 6459 SdHoareTripleChecker+Invalid, 6175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3360 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:04:56,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6194 Valid, 6459 Invalid, 6175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3360 Valid, 2813 Invalid, 2 Unknown, 0 Unchecked, 22.9s Time] [2022-11-21 17:04:56,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84466 states. [2022-11-21 17:05:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84466 to 73253. [2022-11-21 17:05:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73253 states, 44708 states have (on average 1.2930795383376577) internal successors, (57811), 46347 states have internal predecessors, (57811), 23392 states have call successors, (23392), 4830 states have call predecessors, (23392), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-21 17:05:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73253 states to 73253 states and 108406 transitions. [2022-11-21 17:05:01,920 INFO L78 Accepts]: Start accepts. Automaton has 73253 states and 108406 transitions. Word has length 271 [2022-11-21 17:05:01,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:05:01,921 INFO L495 AbstractCegarLoop]: Abstraction has 73253 states and 108406 transitions. [2022-11-21 17:05:01,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:05:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 73253 states and 108406 transitions. [2022-11-21 17:05:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-21 17:05:01,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:05:01,929 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:05:01,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:05:01,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:05:01,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:05:01,930 INFO L85 PathProgramCache]: Analyzing trace with hash 371156995, now seen corresponding path program 1 times [2022-11-21 17:05:01,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:05:01,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719185170] [2022-11-21 17:05:01,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:05:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:05:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:05:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:05:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:05:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:05:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:05:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:05:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:05:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:05:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:05:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:05:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:05:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:05:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:05:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:05:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:05:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:05:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:05:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:05:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-21 17:05:04,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:05:04,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719185170] [2022-11-21 17:05:04,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719185170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:05:04,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:05:04,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:05:04,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473563642] [2022-11-21 17:05:04,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:05:04,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:05:04,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:05:04,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:05:04,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:05:04,015 INFO L87 Difference]: Start difference. First operand 73253 states and 108406 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:05:06,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:05:19,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:05:28,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:05:28,455 INFO L93 Difference]: Finished difference Result 84468 states and 130038 transitions. [2022-11-21 17:05:28,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:05:28,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 272 [2022-11-21 17:05:28,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:05:29,388 INFO L225 Difference]: With dead ends: 84468 [2022-11-21 17:05:29,388 INFO L226 Difference]: Without dead ends: 84465 [2022-11-21 17:05:29,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:05:29,445 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 7027 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 4708 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7403 SdHoareTripleChecker+Valid, 5005 SdHoareTripleChecker+Invalid, 6757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4708 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:05:29,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7403 Valid, 5005 Invalid, 6757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4708 Valid, 2047 Invalid, 2 Unknown, 0 Unchecked, 19.0s Time] [2022-11-21 17:05:29,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84465 states. [2022-11-21 17:05:34,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84465 to 73252. [2022-11-21 17:05:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73252 states, 44708 states have (on average 1.2930571709761116) internal successors, (57810), 46346 states have internal predecessors, (57810), 23391 states have call successors, (23391), 4830 states have call predecessors, (23391), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-21 17:05:35,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73252 states to 73252 states and 108404 transitions. [2022-11-21 17:05:35,632 INFO L78 Accepts]: Start accepts. Automaton has 73252 states and 108404 transitions. Word has length 272 [2022-11-21 17:05:35,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:05:35,633 INFO L495 AbstractCegarLoop]: Abstraction has 73252 states and 108404 transitions. [2022-11-21 17:05:35,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:05:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 73252 states and 108404 transitions. [2022-11-21 17:05:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-21 17:05:35,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:05:35,637 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:05:35,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 17:05:35,637 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:05:35,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:05:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1380748083, now seen corresponding path program 1 times [2022-11-21 17:05:35,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:05:35,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712199311] [2022-11-21 17:05:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:05:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:05:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:05:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:05:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:05:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:05:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:05:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:05:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:05:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:05:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:05:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:05:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:05:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:05:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:05:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:05:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:05:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:05:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:05:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:05:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:05:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:05:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-21 17:05:37,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:05:37,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712199311] [2022-11-21 17:05:37,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712199311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:05:37,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:05:37,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:05:37,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137644571] [2022-11-21 17:05:37,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:05:37,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:05:37,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:05:37,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:05:37,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:05:37,422 INFO L87 Difference]: Start difference. First operand 73252 states and 108404 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:05:39,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:05:41,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:05:44,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:05:47,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:06:04,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:06:05,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:06:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:06:19,007 INFO L93 Difference]: Finished difference Result 84467 states and 130036 transitions. [2022-11-21 17:06:19,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:06:19,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 273 [2022-11-21 17:06:19,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:06:19,729 INFO L225 Difference]: With dead ends: 84467 [2022-11-21 17:06:19,729 INFO L226 Difference]: Without dead ends: 84456 [2022-11-21 17:06:19,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:06:19,777 INFO L413 NwaCegarLoop]: 3255 mSDtfsCounter, 5799 mSDsluCounter, 4483 mSDsCounter, 0 mSdLazyCounter, 3531 mSolverCounterSat, 3317 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6188 SdHoareTripleChecker+Valid, 7738 SdHoareTripleChecker+Invalid, 6852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3317 IncrementalHoareTripleChecker+Valid, 3531 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:06:19,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6188 Valid, 7738 Invalid, 6852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3317 Valid, 3531 Invalid, 4 Unknown, 0 Unchecked, 35.1s Time] [2022-11-21 17:06:19,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84456 states. [2022-11-21 17:06:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84456 to 73243. [2022-11-21 17:06:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73243 states, 44700 states have (on average 1.2927740492170023) internal successors, (57787), 46337 states have internal predecessors, (57787), 23390 states have call successors, (23390), 4830 states have call predecessors, (23390), 5152 states have return successors, (27203), 23046 states have call predecessors, (27203), 23379 states have call successors, (27203) [2022-11-21 17:06:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73243 states to 73243 states and 108380 transitions. [2022-11-21 17:06:26,658 INFO L78 Accepts]: Start accepts. Automaton has 73243 states and 108380 transitions. Word has length 273 [2022-11-21 17:06:26,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:06:26,658 INFO L495 AbstractCegarLoop]: Abstraction has 73243 states and 108380 transitions. [2022-11-21 17:06:26,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 17:06:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 73243 states and 108380 transitions. [2022-11-21 17:06:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-21 17:06:26,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:06:26,666 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-21 17:06:26,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 17:06:26,667 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:06:26,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:06:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash 78607735, now seen corresponding path program 1 times [2022-11-21 17:06:26,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:06:26,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033468357] [2022-11-21 17:06:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:06:26,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:06:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:06:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:06:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:06:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:06:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:06:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:06:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:06:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:06:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:06:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:06:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:06:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:06:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:06:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:06:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:06:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:06:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:06:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:06:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:06:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-21 17:06:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-21 17:06:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-21 17:06:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-21 17:06:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-21 17:06:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:06:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:06:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-11-21 17:06:28,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:06:28,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033468357] [2022-11-21 17:06:28,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033468357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:06:28,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:06:28,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:06:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635411312] [2022-11-21 17:06:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:06:28,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:06:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:06:28,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:06:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:06:28,952 INFO L87 Difference]: Start difference. First operand 73243 states and 108380 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 17:06:31,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:06:33,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:06:35,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:19,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:19,811 INFO L93 Difference]: Finished difference Result 122110 states and 184226 transitions. [2022-11-21 17:07:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:07:19,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 315 [2022-11-21 17:07:19,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:20,166 INFO L225 Difference]: With dead ends: 122110 [2022-11-21 17:07:20,167 INFO L226 Difference]: Without dead ends: 48916 [2022-11-21 17:07:20,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:07:20,741 INFO L413 NwaCegarLoop]: 2370 mSDtfsCounter, 5554 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 6641 mSolverCounterSat, 5446 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6096 SdHoareTripleChecker+Valid, 6331 SdHoareTripleChecker+Invalid, 12090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5446 IncrementalHoareTripleChecker+Valid, 6641 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:20,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6096 Valid, 6331 Invalid, 12090 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5446 Valid, 6641 Invalid, 3 Unknown, 0 Unchecked, 44.9s Time] [2022-11-21 17:07:20,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48916 states. [2022-11-21 17:07:24,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48916 to 40910. [2022-11-21 17:07:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40910 states, 24909 states have (on average 1.2881689349231202) internal successors, (32087), 25856 states have internal predecessors, (32087), 13039 states have call successors, (13039), 2701 states have call predecessors, (13039), 2961 states have return successors, (15273), 12899 states have call predecessors, (15273), 13028 states have call successors, (15273) [2022-11-21 17:07:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40910 states to 40910 states and 60399 transitions. [2022-11-21 17:07:24,656 INFO L78 Accepts]: Start accepts. Automaton has 40910 states and 60399 transitions. Word has length 315 [2022-11-21 17:07:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:24,657 INFO L495 AbstractCegarLoop]: Abstraction has 40910 states and 60399 transitions. [2022-11-21 17:07:24,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 17:07:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40910 states and 60399 transitions. [2022-11-21 17:07:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-11-21 17:07:24,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:24,661 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:24,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 17:07:24,662 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2111221586, now seen corresponding path program 1 times [2022-11-21 17:07:24,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:24,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406552420] [2022-11-21 17:07:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:07:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:07:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:07:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:07:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:07:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:07:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:07:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:07:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:07:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:07:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:07:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:07:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:07:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:07:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:07:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:07:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:07:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-21 17:07:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 17:07:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 17:07:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-21 17:07:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-21 17:07:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-21 17:07:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:07:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-21 17:07:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-21 17:07:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-21 17:07:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 17:07:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-21 17:07:27,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:27,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406552420] [2022-11-21 17:07:27,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406552420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:27,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:27,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 17:07:27,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628999966] [2022-11-21 17:07:27,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:27,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 17:07:27,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:27,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 17:07:27,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:07:27,901 INFO L87 Difference]: Start difference. First operand 40910 states and 60399 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (35), 6 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:07:30,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:32,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:05,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:47,822 INFO L93 Difference]: Finished difference Result 86668 states and 131709 transitions. [2022-11-21 17:08:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:08:47,824 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (35), 6 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 323 [2022-11-21 17:08:47,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:48,103 INFO L225 Difference]: With dead ends: 86668 [2022-11-21 17:08:48,104 INFO L226 Difference]: Without dead ends: 45811 [2022-11-21 17:08:48,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-11-21 17:08:48,294 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 5465 mSDsluCounter, 10065 mSDsCounter, 0 mSdLazyCounter, 13412 mSolverCounterSat, 5397 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5979 SdHoareTripleChecker+Valid, 12370 SdHoareTripleChecker+Invalid, 18811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5397 IncrementalHoareTripleChecker+Valid, 13412 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:48,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5979 Valid, 12370 Invalid, 18811 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5397 Valid, 13412 Invalid, 2 Unknown, 0 Unchecked, 73.7s Time] [2022-11-21 17:08:48,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45811 states. [2022-11-21 17:08:51,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45811 to 39045. [2022-11-21 17:08:51,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39045 states, 23862 states have (on average 1.289120777805716) internal successors, (30761), 24729 states have internal predecessors, (30761), 12358 states have call successors, (12358), 2572 states have call predecessors, (12358), 2824 states have return successors, (14340), 12263 states have call predecessors, (14340), 12347 states have call successors, (14340) [2022-11-21 17:08:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39045 states to 39045 states and 57459 transitions. [2022-11-21 17:08:52,179 INFO L78 Accepts]: Start accepts. Automaton has 39045 states and 57459 transitions. Word has length 323 [2022-11-21 17:08:52,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:52,180 INFO L495 AbstractCegarLoop]: Abstraction has 39045 states and 57459 transitions. [2022-11-21 17:08:52,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (35), 6 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:08:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 39045 states and 57459 transitions. [2022-11-21 17:08:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-21 17:08:52,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:52,185 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:08:52,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 17:08:52,185 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:52,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:52,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1260936708, now seen corresponding path program 1 times [2022-11-21 17:08:52,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:52,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331442097] [2022-11-21 17:08:52,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:52,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:08:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:53,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:08:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:08:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:08:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:08:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:08:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:08:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:08:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:08:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:08:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:08:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:08:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:08:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:08:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:08:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:08:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:08:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:08:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:08:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-21 17:08:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-21 17:08:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 17:08:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:08:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 17:08:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:08:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-21 17:08:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-21 17:08:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-21 17:08:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 17:08:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-11-21 17:08:54,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:54,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331442097] [2022-11-21 17:08:54,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331442097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:54,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:08:54,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:08:54,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080794323] [2022-11-21 17:08:54,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:54,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:08:54,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:54,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:08:54,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:08:54,741 INFO L87 Difference]: Start difference. First operand 39045 states and 57459 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:08:56,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:59,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:01,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:03,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:20,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:21,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:24,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:10:13,488 INFO L93 Difference]: Finished difference Result 73590 states and 110211 transitions. [2022-11-21 17:10:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 17:10:13,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 324 [2022-11-21 17:10:13,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:10:13,705 INFO L225 Difference]: With dead ends: 73590 [2022-11-21 17:10:13,705 INFO L226 Difference]: Without dead ends: 34598 [2022-11-21 17:10:13,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:10:13,895 INFO L413 NwaCegarLoop]: 2884 mSDtfsCounter, 9023 mSDsluCounter, 4951 mSDsCounter, 0 mSdLazyCounter, 9908 mSolverCounterSat, 8345 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9573 SdHoareTripleChecker+Valid, 7835 SdHoareTripleChecker+Invalid, 18258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8345 IncrementalHoareTripleChecker+Valid, 9908 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:10:13,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9573 Valid, 7835 Invalid, 18258 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8345 Valid, 9908 Invalid, 5 Unknown, 0 Unchecked, 74.0s Time] [2022-11-21 17:10:13,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34598 states. [2022-11-21 17:10:16,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34598 to 29658. [2022-11-21 17:10:16,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29658 states, 18377 states have (on average 1.29520596397671) internal successors, (23802), 18978 states have internal predecessors, (23802), 9146 states have call successors, (9146), 2030 states have call predecessors, (9146), 2134 states have return successors, (9833), 9024 states have call predecessors, (9833), 9108 states have call successors, (9833) [2022-11-21 17:10:16,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29658 states to 29658 states and 42781 transitions. [2022-11-21 17:10:16,290 INFO L78 Accepts]: Start accepts. Automaton has 29658 states and 42781 transitions. Word has length 324 [2022-11-21 17:10:16,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:10:16,291 INFO L495 AbstractCegarLoop]: Abstraction has 29658 states and 42781 transitions. [2022-11-21 17:10:16,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:10:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 29658 states and 42781 transitions. [2022-11-21 17:10:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-21 17:10:16,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:10:16,298 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:10:16,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 17:10:16,299 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:10:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:10:16,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1693352558, now seen corresponding path program 1 times [2022-11-21 17:10:16,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:10:16,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789152590] [2022-11-21 17:10:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:10:16,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:10:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:10:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:10:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:10:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:10:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:10:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:10:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:10:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:10:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:10:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:10:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:10:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 17:10:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:10:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 17:10:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 17:10:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:10:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 17:10:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:10:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-21 17:10:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-21 17:10:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 17:10:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:10:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 17:10:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:10:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-21 17:10:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-21 17:10:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-21 17:10:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-21 17:10:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 17:10:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2022-11-21 17:10:18,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:10:18,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789152590] [2022-11-21 17:10:18,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789152590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:10:18,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:10:18,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 17:10:18,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422245710] [2022-11-21 17:10:18,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:10:18,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 17:10:18,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:10:18,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 17:10:18,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:10:18,290 INFO L87 Difference]: Start difference. First operand 29658 states and 42781 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (43), 7 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37)