./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/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_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/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_661d6911-1881-473c-95ea-e885e6934710/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 ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d --- 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 16:34:27,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:34:27,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:34:27,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:34:27,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:34:27,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:34:27,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:34:27,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:34:27,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:34:27,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:34:27,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:34:27,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:34:27,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:34:27,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:34:27,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:34:27,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:34:27,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:34:27,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:34:27,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:34:27,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:34:27,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:34:27,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:34:27,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:34:27,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:34:27,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:34:27,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:34:27,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:34:27,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:34:27,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:34:27,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:34:27,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:34:27,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:34:27,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:34:27,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:34:27,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:34:27,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:34:27,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:34:27,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:34:27,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:34:27,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:34:27,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:34:27,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:34:27,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:34:27,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:34:27,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:34:27,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:34:27,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:34:27,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:34:27,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:34:27,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:34:27,362 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:34:27,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:34:27,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:34:27,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:34:27,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:34:27,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:34:27,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:34:27,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:34:27,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:34:27,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:34:27,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:34:27,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:34:27,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:34:27,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:34:27,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:34:27,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:34:27,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:34:27,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:34:27,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:34:27,366 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:34:27,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:34:27,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:34:27,368 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_661d6911-1881-473c-95ea-e885e6934710/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2022-11-21 16:34:27,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:34:27,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:34:27,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:34:27,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:34:27,728 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:34:27,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-11-21 16:34:30,870 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:34:31,790 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:34:31,791 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-11-21 16:34:31,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/data/6563fd237/819d318f7b384e0c959961a5feeaa891/FLAGde035d5d2 [2022-11-21 16:34:31,863 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/data/6563fd237/819d318f7b384e0c959961a5feeaa891 [2022-11-21 16:34:31,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:34:31,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:34:31,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:34:31,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:34:31,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:34:31,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:34:31" (1/1) ... [2022-11-21 16:34:31,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c47934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:31, skipping insertion in model container [2022-11-21 16:34:31,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:34:31" (1/1) ... [2022-11-21 16:34:31,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:34:32,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:34:32,784 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-11-21 16:34:32,785 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2022-11-21 16:34:33,005 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_661d6911-1881-473c-95ea-e885e6934710/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2022-11-21 16:34:36,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:34:36,131 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:34:36,281 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-11-21 16:34:36,282 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2022-11-21 16:34:36,285 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_661d6911-1881-473c-95ea-e885e6934710/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2022-11-21 16:34:36,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:34:36,989 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:34:36,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36 WrapperNode [2022-11-21 16:34:36,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:34:36,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:34:36,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:34:36,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:34:36,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,488 INFO L138 Inliner]: procedures = 437, calls = 5011, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 9921 [2022-11-21 16:34:37,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:34:37,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:34:37,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:34:37,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:34:37,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:37,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:38,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:34:38,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:34:38,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:34:38,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:34:38,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (1/1) ... [2022-11-21 16:34:38,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:34:38,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:34:38,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:34:38,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:34:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-11-21 16:34:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-11-21 16:34:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 16:34:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 16:34:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-21 16:34:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-21 16:34:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 16:34:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 16:34:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-11-21 16:34:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-11-21 16:34:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 16:34:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 16:34:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-11-21 16:34:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-11-21 16:34:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:34:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:34:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 16:34:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 16:34:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 16:34:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 16:34:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 16:34:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 16:34:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 16:34:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 16:34:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-21 16:34:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-21 16:34:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-21 16:34:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-21 16:34:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-21 16:34:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-21 16:34:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-21 16:34:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-21 16:34:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:34:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:34:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-21 16:34:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-21 16:34:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 16:34:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 16:34:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-11-21 16:34:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-11-21 16:34:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 16:34:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 16:34:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-21 16:34:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-21 16:34:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 16:34:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 16:34:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:34:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:34:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-21 16:34:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-21 16:34:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:34:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-11-21 16:34:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-11-21 16:34:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-21 16:34:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-21 16:34:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-11-21 16:34:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-11-21 16:34:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 16:34:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 16:34:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 16:34:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 16:34:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-11-21 16:34:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-11-21 16:34:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-11-21 16:34:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-11-21 16:34:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:34:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-11-21 16:34:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-11-21 16:34:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 16:34:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 16:34:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 16:34:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 16:34:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:34:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-21 16:34:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-21 16:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-21 16:34:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-21 16:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 16:34:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 16:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:34:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-21 16:34:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-21 16:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:34:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-21 16:34:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-21 16:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-21 16:34:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-21 16:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-11-21 16:34:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-11-21 16:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 16:34:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 16:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-11-21 16:34:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-11-21 16:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-21 16:34:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-21 16:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2022-11-21 16:34:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2022-11-21 16:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 16:34:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 16:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-11-21 16:34:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-11-21 16:34:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-21 16:34:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-21 16:34:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-21 16:34:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-21 16:34:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-21 16:34:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-21 16:34:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 16:34:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 16:34:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-21 16:34:38,151 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-21 16:34:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:34:38,152 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:34:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 16:34:38,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 16:34:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 16:34:38,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 16:34:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:34:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:34:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:34:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:34:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:34:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:34:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 16:34:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 16:34:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-21 16:34:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-21 16:34:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-21 16:34:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-21 16:34:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-11-21 16:34:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-11-21 16:34:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 16:34:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 16:34:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-21 16:34:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-21 16:34:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-21 16:34:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-21 16:34:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-11-21 16:34:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-11-21 16:34:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:34:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:34:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-11-21 16:34:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-11-21 16:34:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-21 16:34:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-21 16:34:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-21 16:34:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-21 16:34:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:34:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:34:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-21 16:34:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-21 16:34:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:34:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:34:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 16:34:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 16:34:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-21 16:34:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-21 16:34:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-21 16:34:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-21 16:34:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2022-11-21 16:34:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2022-11-21 16:34:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-21 16:34:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-21 16:34:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:34:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-11-21 16:34:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-11-21 16:34:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 16:34:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 16:34:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:34:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-21 16:34:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-21 16:34:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 16:34:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 16:34:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-21 16:34:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-21 16:34:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-11-21 16:34:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-11-21 16:34:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:34:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-11-21 16:34:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-11-21 16:34:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-11-21 16:34:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-11-21 16:34:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-11-21 16:34:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-11-21 16:34:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 16:34:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 16:34:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-11-21 16:34:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-11-21 16:34:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 16:34:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 16:34:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-21 16:34:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-21 16:34:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-11-21 16:34:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-11-21 16:34:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-11-21 16:34:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-11-21 16:34:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 16:34:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 16:34:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-21 16:34:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-21 16:34:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 16:34:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 16:34:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:34:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:34:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:34:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-21 16:34:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-21 16:34:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-11-21 16:34:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-11-21 16:34:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:34:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:34:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-21 16:34:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-21 16:34:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-11-21 16:34:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-11-21 16:34:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 16:34:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 16:34:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-21 16:34:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-21 16:34:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-21 16:34:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-21 16:34:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-21 16:34:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-21 16:34:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-21 16:34:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-21 16:34:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 16:34:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 16:34:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-21 16:34:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-21 16:34:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-11-21 16:34:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-11-21 16:34:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 16:34:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 16:34:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-11-21 16:34:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-11-21 16:34:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-11-21 16:34:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-11-21 16:34:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 16:34:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 16:34:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:34:39,630 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:34:39,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:34:40,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:34:51,338 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:34:51,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:34:51,375 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-21 16:34:51,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:34:51 BoogieIcfgContainer [2022-11-21 16:34:51,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:34:51,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:34:51,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:34:51,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:34:51,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:34:31" (1/3) ... [2022-11-21 16:34:51,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac2b53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:34:51, skipping insertion in model container [2022-11-21 16:34:51,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:36" (2/3) ... [2022-11-21 16:34:51,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac2b53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:34:51, skipping insertion in model container [2022-11-21 16:34:51,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:34:51" (3/3) ... [2022-11-21 16:34:51,399 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-11-21 16:34:51,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:34:51,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:34:51,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:34:51,584 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;@27f53291, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:34:51,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:34:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 3113 states, 2217 states have (on average 1.4149751917004962) internal successors, (3137), 2312 states have internal predecessors, (3137), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 737 states have call predecessors, (772), 772 states have call successors, (772) [2022-11-21 16:34:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-21 16:34:51,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:34:51,640 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-21 16:34:51,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:34:51,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:51,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1822122793, now seen corresponding path program 1 times [2022-11-21 16:34:51,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:51,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110002952] [2022-11-21 16:34:51,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:34:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:34:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:34:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:34:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:34:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:34:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:34:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:34:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-21 16:34:52,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:52,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110002952] [2022-11-21 16:34:52,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110002952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:52,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:52,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:34:52,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810725317] [2022-11-21 16:34:52,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:52,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:34:52,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:53,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:34:53,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:34:53,043 INFO L87 Difference]: Start difference. First operand has 3113 states, 2217 states have (on average 1.4149751917004962) internal successors, (3137), 2312 states have internal predecessors, (3137), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 737 states have call predecessors, (772), 772 states have call successors, (772) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 16:35:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:35:13,489 INFO L93 Difference]: Finished difference Result 9314 states and 14208 transitions. [2022-11-21 16:35:13,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:35:13,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-11-21 16:35:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:35:13,571 INFO L225 Difference]: With dead ends: 9314 [2022-11-21 16:35:13,571 INFO L226 Difference]: Without dead ends: 6159 [2022-11-21 16:35:13,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:35:13,602 INFO L413 NwaCegarLoop]: 4136 mSDtfsCounter, 6501 mSDsluCounter, 6688 mSDsCounter, 0 mSdLazyCounter, 6503 mSolverCounterSat, 4131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7018 SdHoareTripleChecker+Valid, 10824 SdHoareTripleChecker+Invalid, 10634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4131 IncrementalHoareTripleChecker+Valid, 6503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:35:13,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7018 Valid, 10824 Invalid, 10634 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4131 Valid, 6503 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2022-11-21 16:35:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6159 states. [2022-11-21 16:35:14,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6159 to 5616. [2022-11-21 16:35:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5616 states, 4015 states have (on average 1.3955168119551682) internal successors, (5603), 4164 states have internal predecessors, (5603), 1386 states have call successors, (1386), 214 states have call predecessors, (1386), 214 states have return successors, (1389), 1319 states have call predecessors, (1389), 1385 states have call successors, (1389) [2022-11-21 16:35:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 5616 states and 8378 transitions. [2022-11-21 16:35:14,165 INFO L78 Accepts]: Start accepts. Automaton has 5616 states and 8378 transitions. Word has length 71 [2022-11-21 16:35:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:35:14,166 INFO L495 AbstractCegarLoop]: Abstraction has 5616 states and 8378 transitions. [2022-11-21 16:35:14,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 16:35:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 5616 states and 8378 transitions. [2022-11-21 16:35:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-21 16:35:14,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:35:14,247 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:35:14,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:35:14,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:35:14,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:35:14,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1652274783, now seen corresponding path program 1 times [2022-11-21 16:35:14,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:35:14,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654196617] [2022-11-21 16:35:14,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:35:14,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:35:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:35:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:35:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:35:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:35:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:35:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:35:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 16:35:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:35:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 16:35:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:35:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 16:35:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 16:35:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 16:35:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-21 16:35:15,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:35:15,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654196617] [2022-11-21 16:35:15,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654196617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:35:15,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:35:15,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:35:15,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906214057] [2022-11-21 16:35:15,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:35:15,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:35:15,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:35:15,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:35:15,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:35:15,807 INFO L87 Difference]: Start difference. First operand 5616 states and 8378 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-21 16:35:35,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:35:35,891 INFO L93 Difference]: Finished difference Result 6953 states and 10342 transitions. [2022-11-21 16:35:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 16:35:35,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2022-11-21 16:35:35,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:35:35,939 INFO L225 Difference]: With dead ends: 6953 [2022-11-21 16:35:35,940 INFO L226 Difference]: Without dead ends: 6950 [2022-11-21 16:35:35,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:35:35,947 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 5672 mSDsluCounter, 4982 mSDsCounter, 0 mSdLazyCounter, 6695 mSolverCounterSat, 2750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6142 SdHoareTripleChecker+Valid, 8399 SdHoareTripleChecker+Invalid, 9445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2750 IncrementalHoareTripleChecker+Valid, 6695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:35:35,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6142 Valid, 8399 Invalid, 9445 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2750 Valid, 6695 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2022-11-21 16:35:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6950 states. [2022-11-21 16:35:36,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6950 to 6214. [2022-11-21 16:35:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6214 states, 4432 states have (on average 1.3844765342960288) internal successors, (6136), 4589 states have internal predecessors, (6136), 1511 states have call successors, (1511), 270 states have call predecessors, (1511), 270 states have return successors, (1524), 1438 states have call predecessors, (1524), 1510 states have call successors, (1524) [2022-11-21 16:35:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6214 states to 6214 states and 9171 transitions. [2022-11-21 16:35:36,464 INFO L78 Accepts]: Start accepts. Automaton has 6214 states and 9171 transitions. Word has length 113 [2022-11-21 16:35:36,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:35:36,468 INFO L495 AbstractCegarLoop]: Abstraction has 6214 states and 9171 transitions. [2022-11-21 16:35:36,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-21 16:35:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 6214 states and 9171 transitions. [2022-11-21 16:35:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-21 16:35:36,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:35:36,489 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:35:36,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:35:36,490 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:35:36,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:35:36,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1967831491, now seen corresponding path program 1 times [2022-11-21 16:35:36,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:35:36,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983966640] [2022-11-21 16:35:36,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:35:36,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:35:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:35:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:35:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:35:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:35:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:35:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:35:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 16:35:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 16:35:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:35:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:35:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:35:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:35:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:35:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 16:35:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 16:35:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:35:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 16:35:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:35:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:35:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:35:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 16:35:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:35:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 16:35:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-21 16:35:37,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:35:37,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983966640] [2022-11-21 16:35:37,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983966640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:35:37,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:35:37,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:35:37,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133835122] [2022-11-21 16:35:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:35:37,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:35:37,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:35:37,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:35:37,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:35:37,347 INFO L87 Difference]: Start difference. First operand 6214 states and 9171 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:36:14,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:36:14,427 INFO L93 Difference]: Finished difference Result 23677 states and 36250 transitions. [2022-11-21 16:36:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-21 16:36:14,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2022-11-21 16:36:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:36:14,549 INFO L225 Difference]: With dead ends: 23677 [2022-11-21 16:36:14,549 INFO L226 Difference]: Without dead ends: 17478 [2022-11-21 16:36:14,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-11-21 16:36:14,596 INFO L413 NwaCegarLoop]: 3054 mSDtfsCounter, 17531 mSDsluCounter, 8814 mSDsCounter, 0 mSdLazyCounter, 16285 mSolverCounterSat, 15534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18102 SdHoareTripleChecker+Valid, 11868 SdHoareTripleChecker+Invalid, 31819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15534 IncrementalHoareTripleChecker+Valid, 16285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:36:14,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18102 Valid, 11868 Invalid, 31819 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15534 Valid, 16285 Invalid, 0 Unknown, 0 Unchecked, 35.1s Time] [2022-11-21 16:36:14,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17478 states. [2022-11-21 16:36:15,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17478 to 10880. [2022-11-21 16:36:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10880 states, 7724 states have (on average 1.3854220611082342) internal successors, (10701), 7998 states have internal predecessors, (10701), 2670 states have call successors, (2670), 477 states have call predecessors, (2670), 485 states have return successors, (2746), 2543 states have call predecessors, (2746), 2669 states have call successors, (2746) [2022-11-21 16:36:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10880 states to 10880 states and 16117 transitions. [2022-11-21 16:36:15,908 INFO L78 Accepts]: Start accepts. Automaton has 10880 states and 16117 transitions. Word has length 156 [2022-11-21 16:36:15,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:36:15,909 INFO L495 AbstractCegarLoop]: Abstraction has 10880 states and 16117 transitions. [2022-11-21 16:36:15,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:36:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 10880 states and 16117 transitions. [2022-11-21 16:36:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-21 16:36:15,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:36:15,938 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:15,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:36:15,938 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:36:15,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:15,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1958129348, now seen corresponding path program 1 times [2022-11-21 16:36:15,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:15,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314833117] [2022-11-21 16:36:15,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:15,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:36:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:36:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:36:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:36:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:36:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:36:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 16:36:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 16:36:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:36:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:36:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 16:36:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 16:36:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:36:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:36:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:36:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 16:36:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:36:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:36:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 16:36:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:36:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 16:36:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:36:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:36:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 16:36:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-21 16:36:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:16,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314833117] [2022-11-21 16:36:16,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314833117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:16,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:16,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:36:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648070334] [2022-11-21 16:36:16,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:16,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:36:16,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:16,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:36:16,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:36:16,879 INFO L87 Difference]: Start difference. First operand 10880 states and 16117 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:36:55,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:36:55,048 INFO L93 Difference]: Finished difference Result 36124 states and 55296 transitions. [2022-11-21 16:36:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-21 16:36:55,048 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 193 [2022-11-21 16:36:55,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:36:55,186 INFO L225 Difference]: With dead ends: 36124 [2022-11-21 16:36:55,187 INFO L226 Difference]: Without dead ends: 25270 [2022-11-21 16:36:55,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-11-21 16:36:55,250 INFO L413 NwaCegarLoop]: 3978 mSDtfsCounter, 14207 mSDsluCounter, 9721 mSDsCounter, 0 mSdLazyCounter, 17897 mSolverCounterSat, 12500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14856 SdHoareTripleChecker+Valid, 13699 SdHoareTripleChecker+Invalid, 30397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12500 IncrementalHoareTripleChecker+Valid, 17897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:36:55,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14856 Valid, 13699 Invalid, 30397 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12500 Valid, 17897 Invalid, 0 Unknown, 0 Unchecked, 35.7s Time] [2022-11-21 16:36:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25270 states. [2022-11-21 16:36:56,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25270 to 15442. [2022-11-21 16:36:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15442 states, 10933 states have (on average 1.3845239184121467) internal successors, (15137), 11319 states have internal predecessors, (15137), 3809 states have call successors, (3809), 687 states have call predecessors, (3809), 699 states have return successors, (3917), 3627 states have call predecessors, (3917), 3808 states have call successors, (3917) [2022-11-21 16:36:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15442 states to 15442 states and 22863 transitions. [2022-11-21 16:36:57,052 INFO L78 Accepts]: Start accepts. Automaton has 15442 states and 22863 transitions. Word has length 193 [2022-11-21 16:36:57,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:36:57,053 INFO L495 AbstractCegarLoop]: Abstraction has 15442 states and 22863 transitions. [2022-11-21 16:36:57,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:36:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 15442 states and 22863 transitions. [2022-11-21 16:36:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-21 16:36:57,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:36:57,090 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:57,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:36:57,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:36:57,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:57,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1388253576, now seen corresponding path program 1 times [2022-11-21 16:36:57,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:57,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336732561] [2022-11-21 16:36:57,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:57,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:36:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:36:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:36:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:36:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:36:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:36:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 16:36:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 16:36:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:36:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:36:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:36:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:36:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:36:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:36:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:36:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 16:36:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 16:36:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 16:36:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:36:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 16:36:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:36:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 16:36:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 16:36:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 16:36:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-21 16:36:58,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:58,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336732561] [2022-11-21 16:36:58,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336732561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:58,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:58,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:36:58,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131192929] [2022-11-21 16:36:58,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:58,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:36:58,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:58,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:36:58,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:36:58,260 INFO L87 Difference]: Start difference. First operand 15442 states and 22863 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:37:57,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:57,425 INFO L93 Difference]: Finished difference Result 49500 states and 75735 transitions. [2022-11-21 16:37:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-21 16:37:57,426 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 201 [2022-11-21 16:37:57,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:57,607 INFO L225 Difference]: With dead ends: 49500 [2022-11-21 16:37:57,608 INFO L226 Difference]: Without dead ends: 34084 [2022-11-21 16:37:57,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-21 16:37:57,671 INFO L413 NwaCegarLoop]: 4864 mSDtfsCounter, 11628 mSDsluCounter, 19520 mSDsCounter, 0 mSdLazyCounter, 30387 mSolverCounterSat, 9149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12153 SdHoareTripleChecker+Valid, 24384 SdHoareTripleChecker+Invalid, 39536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9149 IncrementalHoareTripleChecker+Valid, 30387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:57,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12153 Valid, 24384 Invalid, 39536 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9149 Valid, 30387 Invalid, 0 Unknown, 0 Unchecked, 55.6s Time] [2022-11-21 16:37:57,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34084 states. [2022-11-21 16:37:59,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34084 to 15446. [2022-11-21 16:37:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15446 states, 10937 states have (on average 1.3843832860930785) internal successors, (15141), 11323 states have internal predecessors, (15141), 3809 states have call successors, (3809), 687 states have call predecessors, (3809), 699 states have return successors, (3917), 3627 states have call predecessors, (3917), 3808 states have call successors, (3917) [2022-11-21 16:37:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15446 states to 15446 states and 22867 transitions. [2022-11-21 16:37:59,965 INFO L78 Accepts]: Start accepts. Automaton has 15446 states and 22867 transitions. Word has length 201 [2022-11-21 16:37:59,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:59,969 INFO L495 AbstractCegarLoop]: Abstraction has 15446 states and 22867 transitions. [2022-11-21 16:37:59,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:37:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 15446 states and 22867 transitions. [2022-11-21 16:38:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-21 16:38:00,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:00,011 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:38:00,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:38:00,012 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:00,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:00,012 INFO L85 PathProgramCache]: Analyzing trace with hash 184584003, now seen corresponding path program 1 times [2022-11-21 16:38:00,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:00,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409330320] [2022-11-21 16:38:00,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:00,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:38:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:38:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:38:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:38:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:38:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:38:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 16:38:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 16:38:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:38:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 16:38:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 16:38:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:38:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:38:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:38:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 16:38:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:38:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 16:38:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:38:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 16:38:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:38:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 16:38:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 16:38:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:38:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 16:38:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 16:38:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:38:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 16:38:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-21 16:38:01,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:01,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409330320] [2022-11-21 16:38:01,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409330320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:01,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:01,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:38:01,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541727722] [2022-11-21 16:38:01,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:01,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:38:01,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:01,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:38:01,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:38:01,008 INFO L87 Difference]: Start difference. First operand 15446 states and 22867 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:38:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:25,766 INFO L93 Difference]: Finished difference Result 40670 states and 62015 transitions. [2022-11-21 16:38:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:38:25,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2022-11-21 16:38:25,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:25,885 INFO L225 Difference]: With dead ends: 40670 [2022-11-21 16:38:25,885 INFO L226 Difference]: Without dead ends: 25250 [2022-11-21 16:38:25,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:38:25,946 INFO L413 NwaCegarLoop]: 2561 mSDtfsCounter, 8008 mSDsluCounter, 7841 mSDsCounter, 0 mSdLazyCounter, 11439 mSolverCounterSat, 7743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8312 SdHoareTripleChecker+Valid, 10402 SdHoareTripleChecker+Invalid, 19182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7743 IncrementalHoareTripleChecker+Valid, 11439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:25,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8312 Valid, 10402 Invalid, 19182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7743 Valid, 11439 Invalid, 0 Unknown, 0 Unchecked, 22.3s Time] [2022-11-21 16:38:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25250 states. [2022-11-21 16:38:27,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25250 to 15448. [2022-11-21 16:38:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15448 states, 10939 states have (on average 1.3843130085016913) internal successors, (15143), 11325 states have internal predecessors, (15143), 3809 states have call successors, (3809), 687 states have call predecessors, (3809), 699 states have return successors, (3917), 3627 states have call predecessors, (3917), 3808 states have call successors, (3917) [2022-11-21 16:38:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15448 states to 15448 states and 22869 transitions. [2022-11-21 16:38:27,646 INFO L78 Accepts]: Start accepts. Automaton has 15448 states and 22869 transitions. Word has length 218 [2022-11-21 16:38:27,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:27,647 INFO L495 AbstractCegarLoop]: Abstraction has 15448 states and 22869 transitions. [2022-11-21 16:38:27,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:38:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 15448 states and 22869 transitions. [2022-11-21 16:38:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-21 16:38:27,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:27,685 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:38:27,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:38:27,685 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:27,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:27,686 INFO L85 PathProgramCache]: Analyzing trace with hash -400187647, now seen corresponding path program 1 times [2022-11-21 16:38:27,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:27,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389944666] [2022-11-21 16:38:27,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:27,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:38:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:38:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:38:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:38:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:38:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:38:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 16:38:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 16:38:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:38:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 16:38:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 16:38:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:38:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:38:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:38:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 16:38:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:38:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 16:38:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:38:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 16:38:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:38:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 16:38:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 16:38:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:38:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 16:38:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 16:38:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:38:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 16:38:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-21 16:38:29,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:29,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389944666] [2022-11-21 16:38:29,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389944666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:29,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:29,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:38:29,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74529247] [2022-11-21 16:38:29,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:29,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:38:29,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:29,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:38:29,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:38:29,784 INFO L87 Difference]: Start difference. First operand 15448 states and 22869 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:39:01,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:01,994 INFO L93 Difference]: Finished difference Result 40673 states and 62030 transitions. [2022-11-21 16:39:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 16:39:01,995 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2022-11-21 16:39:01,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:02,146 INFO L225 Difference]: With dead ends: 40673 [2022-11-21 16:39:02,146 INFO L226 Difference]: Without dead ends: 25244 [2022-11-21 16:39:02,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-21 16:39:02,209 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 6444 mSDsluCounter, 11504 mSDsCounter, 0 mSdLazyCounter, 16943 mSolverCounterSat, 5038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6746 SdHoareTripleChecker+Valid, 14093 SdHoareTripleChecker+Invalid, 21981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5038 IncrementalHoareTripleChecker+Valid, 16943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:02,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6746 Valid, 14093 Invalid, 21981 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5038 Valid, 16943 Invalid, 0 Unknown, 0 Unchecked, 29.4s Time] [2022-11-21 16:39:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25244 states. [2022-11-21 16:39:03,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25244 to 15460. [2022-11-21 16:39:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15460 states, 10948 states have (on average 1.3842710997442456) internal successors, (15155), 11337 states have internal predecessors, (15155), 3809 states have call successors, (3809), 687 states have call predecessors, (3809), 702 states have return successors, (3920), 3627 states have call predecessors, (3920), 3808 states have call successors, (3920) [2022-11-21 16:39:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15460 states to 15460 states and 22884 transitions. [2022-11-21 16:39:03,981 INFO L78 Accepts]: Start accepts. Automaton has 15460 states and 22884 transitions. Word has length 218 [2022-11-21 16:39:03,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:03,982 INFO L495 AbstractCegarLoop]: Abstraction has 15460 states and 22884 transitions. [2022-11-21 16:39:03,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:39:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 15460 states and 22884 transitions. [2022-11-21 16:39:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-21 16:39:04,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:04,017 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:39:04,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:39:04,017 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:39:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash -877985242, now seen corresponding path program 1 times [2022-11-21 16:39:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:39:04,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592652689] [2022-11-21 16:39:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:39:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:39:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:39:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:39:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:39:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:39:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:39:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:39:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:39:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 16:39:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 16:39:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:39:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:39:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 16:39:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:39:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 16:39:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:39:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-21 16:39:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 16:39:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 16:39:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:39:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 16:39:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:39:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 16:39:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 16:39:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:39:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-21 16:39:06,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:39:06,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592652689] [2022-11-21 16:39:06,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592652689] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:39:06,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917350019] [2022-11-21 16:39:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:06,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:39:06,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:39:06,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:39:06,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:39:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:08,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 6514 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 16:39:08,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:39:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-21 16:39:08,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:39:08,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917350019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:39:08,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:39:08,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2022-11-21 16:39:08,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347933364] [2022-11-21 16:39:08,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:39:08,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:39:08,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:39:08,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:39:08,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:39:08,601 INFO L87 Difference]: Start difference. First operand 15460 states and 22884 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:39:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:11,316 INFO L93 Difference]: Finished difference Result 36920 states and 54727 transitions. [2022-11-21 16:39:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:39:11,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 219 [2022-11-21 16:39:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:11,458 INFO L225 Difference]: With dead ends: 36920 [2022-11-21 16:39:11,459 INFO L226 Difference]: Without dead ends: 21487 [2022-11-21 16:39:11,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:39:11,525 INFO L413 NwaCegarLoop]: 8573 mSDtfsCounter, 4963 mSDsluCounter, 13008 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4963 SdHoareTripleChecker+Valid, 21581 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:11,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4963 Valid, 21581 Invalid, 183 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [100 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 16:39:11,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21487 states. [2022-11-21 16:39:12,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21487 to 15458. [2022-11-21 16:39:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15458 states, 10946 states have (on average 1.3842499543212132) internal successors, (15152), 11335 states have internal predecessors, (15152), 3809 states have call successors, (3809), 687 states have call predecessors, (3809), 702 states have return successors, (3920), 3627 states have call predecessors, (3920), 3808 states have call successors, (3920) [2022-11-21 16:39:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15458 states to 15458 states and 22881 transitions. [2022-11-21 16:39:13,062 INFO L78 Accepts]: Start accepts. Automaton has 15458 states and 22881 transitions. Word has length 219 [2022-11-21 16:39:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:13,063 INFO L495 AbstractCegarLoop]: Abstraction has 15458 states and 22881 transitions. [2022-11-21 16:39:13,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:39:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 15458 states and 22881 transitions. [2022-11-21 16:39:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-11-21 16:39:13,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:13,164 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:39:13,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:39:13,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:39:13,382 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:39:13,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:13,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1591905530, now seen corresponding path program 1 times [2022-11-21 16:39:13,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:39:13,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835552289] [2022-11-21 16:39:13,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:13,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:39:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:39:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:39:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:39:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:39:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:39:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:39:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:39:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:39:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 16:39:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 16:39:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:39:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:39:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:39:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:39:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:39:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 16:39:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 16:39:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-21 16:39:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:39:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 16:39:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:39:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-21 16:39:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 16:39:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-21 16:39:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-21 16:39:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 16:39:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:39:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:39:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-21 16:39:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-21 16:39:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-21 16:39:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-21 16:39:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-21 16:39:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-21 16:39:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:39:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-21 16:39:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 16:39:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-21 16:39:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-21 16:39:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-21 16:39:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-21 16:39:14,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:39:14,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835552289] [2022-11-21 16:39:14,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835552289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:39:14,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:39:14,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:39:14,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332233937] [2022-11-21 16:39:14,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:39:14,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:39:14,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:39:14,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:39:14,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:39:14,745 INFO L87 Difference]: Start difference. First operand 15458 states and 22881 transitions. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-21 16:39:43,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:43,214 INFO L93 Difference]: Finished difference Result 43359 states and 66798 transitions. [2022-11-21 16:39:43,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 16:39:43,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 384 [2022-11-21 16:39:43,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:43,381 INFO L225 Difference]: With dead ends: 43359 [2022-11-21 16:39:43,382 INFO L226 Difference]: Without dead ends: 27928 [2022-11-21 16:39:43,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:39:43,455 INFO L413 NwaCegarLoop]: 2893 mSDtfsCounter, 9150 mSDsluCounter, 10352 mSDsCounter, 0 mSdLazyCounter, 12755 mSolverCounterSat, 8599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9707 SdHoareTripleChecker+Valid, 13245 SdHoareTripleChecker+Invalid, 21354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8599 IncrementalHoareTripleChecker+Valid, 12755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:43,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9707 Valid, 13245 Invalid, 21354 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8599 Valid, 12755 Invalid, 0 Unknown, 0 Unchecked, 24.8s Time] [2022-11-21 16:39:43,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27928 states. [2022-11-21 16:39:45,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27928 to 15678. [2022-11-21 16:39:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15678 states, 11130 states have (on average 1.3845462713387242) internal successors, (15410), 11521 states have internal predecessors, (15410), 3845 states have call successors, (3845), 687 states have call predecessors, (3845), 702 states have return successors, (3956), 3663 states have call predecessors, (3956), 3844 states have call successors, (3956) [2022-11-21 16:39:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15678 states to 15678 states and 23211 transitions. [2022-11-21 16:39:45,690 INFO L78 Accepts]: Start accepts. Automaton has 15678 states and 23211 transitions. Word has length 384 [2022-11-21 16:39:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:45,691 INFO L495 AbstractCegarLoop]: Abstraction has 15678 states and 23211 transitions. [2022-11-21 16:39:45,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 3 states have internal predecessors, (231), 3 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-21 16:39:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 15678 states and 23211 transitions. [2022-11-21 16:39:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-11-21 16:39:45,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:45,764 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:39:45,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:39:45,765 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:39:45,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash -101269941, now seen corresponding path program 1 times [2022-11-21 16:39:45,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:39:45,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141201402] [2022-11-21 16:39:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:45,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:39:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:39:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:39:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:39:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:39:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:39:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:39:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:39:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:39:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 16:39:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:39:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:39:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:39:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 16:39:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 16:39:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:39:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 16:39:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 16:39:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 16:39:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 16:39:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:39:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 16:39:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 16:39:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-21 16:39:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 16:39:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-21 16:39:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 16:39:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:39:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:39:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 16:39:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 16:39:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 16:39:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-21 16:39:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-21 16:39:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-21 16:39:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-21 16:39:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-21 16:39:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-21 16:39:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-21 16:39:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:39:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-21 16:39:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-21 16:39:47,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:39:47,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141201402] [2022-11-21 16:39:47,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141201402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:39:47,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:39:47,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:39:47,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776631425] [2022-11-21 16:39:47,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:39:47,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:39:47,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:39:47,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:39:47,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:39:47,238 INFO L87 Difference]: Start difference. First operand 15678 states and 23211 transitions. Second operand has 10 states, 10 states have (on average 23.3) internal successors, (233), 3 states have internal predecessors, (233), 3 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-21 16:40:37,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:37,490 INFO L93 Difference]: Finished difference Result 67592 states and 103863 transitions. [2022-11-21 16:40:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-21 16:40:37,491 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 3 states have internal predecessors, (233), 3 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 386 [2022-11-21 16:40:37,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:37,869 INFO L225 Difference]: With dead ends: 67592 [2022-11-21 16:40:37,869 INFO L226 Difference]: Without dead ends: 51941 [2022-11-21 16:40:37,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2022-11-21 16:40:37,917 INFO L413 NwaCegarLoop]: 2848 mSDtfsCounter, 27444 mSDsluCounter, 9409 mSDsCounter, 0 mSdLazyCounter, 18752 mSolverCounterSat, 22296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28125 SdHoareTripleChecker+Valid, 12257 SdHoareTripleChecker+Invalid, 41048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 22296 IncrementalHoareTripleChecker+Valid, 18752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:40:37,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28125 Valid, 12257 Invalid, 41048 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [22296 Valid, 18752 Invalid, 0 Unknown, 0 Unchecked, 43.2s Time] [2022-11-21 16:40:37,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51941 states. [2022-11-21 16:40:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51941 to 31080. [2022-11-21 16:40:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31080 states, 22037 states have (on average 1.3841720742387802) internal successors, (30503), 22815 states have internal predecessors, (30503), 7640 states have call successors, (7640), 1371 states have call predecessors, (7640), 1402 states have return successors, (7863), 7277 states have call predecessors, (7863), 7639 states have call successors, (7863) [2022-11-21 16:40:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31080 states to 31080 states and 46006 transitions. [2022-11-21 16:40:41,335 INFO L78 Accepts]: Start accepts. Automaton has 31080 states and 46006 transitions. Word has length 386 [2022-11-21 16:40:41,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:41,336 INFO L495 AbstractCegarLoop]: Abstraction has 31080 states and 46006 transitions. [2022-11-21 16:40:41,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 3 states have internal predecessors, (233), 3 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-21 16:40:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 31080 states and 46006 transitions. [2022-11-21 16:40:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-11-21 16:40:41,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:41,472 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:41,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:40:41,472 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:41,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:41,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1527665779, now seen corresponding path program 1 times [2022-11-21 16:40:41,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:41,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184978829] [2022-11-21 16:40:41,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:41,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:40:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:40:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:40:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:40:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:40:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:40:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:40:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:40:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 16:40:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:40:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:40:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:40:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 16:40:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 16:40:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:40:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:40:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 16:40:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 16:40:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 16:40:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 16:40:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:40:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:40:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 16:40:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 16:40:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-21 16:40:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 16:40:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-21 16:40:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 16:40:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:40:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:40:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:40:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 16:40:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 16:40:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 16:40:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-21 16:40:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-21 16:40:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-21 16:40:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-21 16:40:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-21 16:40:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-21 16:40:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-21 16:40:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:40:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:40:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-21 16:40:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-21 16:40:42,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:40:42,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184978829] [2022-11-21 16:40:42,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184978829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:42,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:42,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:40:42,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356020759] [2022-11-21 16:40:42,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:42,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:40:42,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:40:42,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:40:42,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:40:42,859 INFO L87 Difference]: Start difference. First operand 31080 states and 46006 transitions. Second operand has 10 states, 10 states have (on average 23.3) internal successors, (233), 3 states have internal predecessors, (233), 2 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-21 16:41:31,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:41:31,891 INFO L93 Difference]: Finished difference Result 93418 states and 143982 transitions. [2022-11-21 16:41:31,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-21 16:41:31,892 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 3 states have internal predecessors, (233), 2 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 386 [2022-11-21 16:41:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:41:32,428 INFO L225 Difference]: With dead ends: 93418 [2022-11-21 16:41:32,428 INFO L226 Difference]: Without dead ends: 77767 [2022-11-21 16:41:32,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2022-11-21 16:41:32,494 INFO L413 NwaCegarLoop]: 4005 mSDtfsCounter, 18921 mSDsluCounter, 13437 mSDsCounter, 0 mSdLazyCounter, 17881 mSolverCounterSat, 16043 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19618 SdHoareTripleChecker+Valid, 17442 SdHoareTripleChecker+Invalid, 33924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 16043 IncrementalHoareTripleChecker+Valid, 17881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:41:32,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19618 Valid, 17442 Invalid, 33924 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [16043 Valid, 17881 Invalid, 0 Unknown, 0 Unchecked, 38.5s Time] [2022-11-21 16:41:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77767 states. [2022-11-21 16:41:38,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77767 to 46472. [2022-11-21 16:41:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46472 states, 32934 states have (on average 1.384162263921783) internal successors, (45586), 34099 states have internal predecessors, (45586), 11435 states have call successors, (11435), 2055 states have call predecessors, (11435), 2102 states have return successors, (11770), 10891 states have call predecessors, (11770), 11434 states have call successors, (11770) [2022-11-21 16:41:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46472 states to 46472 states and 68791 transitions. [2022-11-21 16:41:38,410 INFO L78 Accepts]: Start accepts. Automaton has 46472 states and 68791 transitions. Word has length 386 [2022-11-21 16:41:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:41:38,410 INFO L495 AbstractCegarLoop]: Abstraction has 46472 states and 68791 transitions. [2022-11-21 16:41:38,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 3 states have internal predecessors, (233), 2 states have call successors, (48), 9 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-21 16:41:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 46472 states and 68791 transitions. [2022-11-21 16:41:38,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-11-21 16:41:38,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:41:38,552 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:38,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:41:38,553 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:41:38,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2008223055, now seen corresponding path program 1 times [2022-11-21 16:41:38,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:38,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008333160] [2022-11-21 16:41:38,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:38,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:41:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:41:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:41:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:41:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:41:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:41:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:41:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:41:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:41:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 16:41:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:41:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:41:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:41:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 16:41:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:41:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:41:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 16:41:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:41:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:41:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 16:41:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-21 16:41:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:41:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:41:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 16:41:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 16:41:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-21 16:41:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:41:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-21 16:41:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 16:41:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-21 16:41:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:41:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 16:41:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-21 16:41:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 16:41:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-21 16:41:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 16:41:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-21 16:41:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-21 16:41:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-21 16:41:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-21 16:41:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-21 16:41:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-21 16:41:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:41:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-21 16:41:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-21 16:41:40,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:41:40,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008333160] [2022-11-21 16:41:40,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008333160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:40,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:40,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:41:40,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493708506] [2022-11-21 16:41:40,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:40,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:41:40,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:41:40,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:41:40,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:41:40,197 INFO L87 Difference]: Start difference. First operand 46472 states and 68791 transitions. Second operand has 10 states, 10 states have (on average 23.5) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (47), 9 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-21 16:42:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:17,683 INFO L93 Difference]: Finished difference Result 128825 states and 198402 transitions. [2022-11-21 16:42:17,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 16:42:17,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (47), 9 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 382 [2022-11-21 16:42:17,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:18,392 INFO L225 Difference]: With dead ends: 128825 [2022-11-21 16:42:18,392 INFO L226 Difference]: Without dead ends: 82380 [2022-11-21 16:42:18,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:42:18,528 INFO L413 NwaCegarLoop]: 3271 mSDtfsCounter, 10355 mSDsluCounter, 11628 mSDsCounter, 0 mSdLazyCounter, 14696 mSolverCounterSat, 7376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10917 SdHoareTripleChecker+Valid, 14899 SdHoareTripleChecker+Invalid, 22072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7376 IncrementalHoareTripleChecker+Valid, 14696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:18,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10917 Valid, 14899 Invalid, 22072 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7376 Valid, 14696 Invalid, 0 Unknown, 0 Unchecked, 26.9s Time] [2022-11-21 16:42:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82380 states. [2022-11-21 16:42:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82380 to 46510. [2022-11-21 16:42:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46510 states, 32972 states have (on average 1.3837195195923815) internal successors, (45624), 34137 states have internal predecessors, (45624), 11435 states have call successors, (11435), 2055 states have call predecessors, (11435), 2102 states have return successors, (11770), 10891 states have call predecessors, (11770), 11434 states have call successors, (11770) [2022-11-21 16:42:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46510 states to 46510 states and 68829 transitions. [2022-11-21 16:42:24,955 INFO L78 Accepts]: Start accepts. Automaton has 46510 states and 68829 transitions. Word has length 382 [2022-11-21 16:42:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:24,956 INFO L495 AbstractCegarLoop]: Abstraction has 46510 states and 68829 transitions. [2022-11-21 16:42:24,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (47), 9 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-21 16:42:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 46510 states and 68829 transitions. [2022-11-21 16:42:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-11-21 16:42:25,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:25,102 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:25,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:42:25,103 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:25,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:25,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1706241702, now seen corresponding path program 1 times [2022-11-21 16:42:25,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:25,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903899948] [2022-11-21 16:42:25,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:25,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:42:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:42:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:42:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:42:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:42:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:42:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:42:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:42:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 16:42:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 16:42:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:42:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:42:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:42:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:42:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:42:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 16:42:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 16:42:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-21 16:42:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:42:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 16:42:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:42:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-21 16:42:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 16:42:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-21 16:42:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-21 16:42:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 16:42:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-21 16:42:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 16:42:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-21 16:42:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 16:42:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-21 16:42:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 16:42:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-21 16:42:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-21 16:42:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-21 16:42:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-21 16:42:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-21 16:42:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-21 16:42:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 16:42:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-21 16:42:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-21 16:42:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-11-21 16:42:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-21 16:42:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:26,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903899948] [2022-11-21 16:42:26,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903899948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:26,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:26,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:42:26,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793559611] [2022-11-21 16:42:26,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:26,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:42:26,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:26,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:42:26,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:42:26,455 INFO L87 Difference]: Start difference. First operand 46510 states and 68829 transitions. Second operand has 10 states, 10 states have (on average 24.3) internal successors, (243), 3 states have internal predecessors, (243), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-21 16:43:06,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:43:06,618 INFO L93 Difference]: Finished difference Result 130409 states and 200824 transitions. [2022-11-21 16:43:06,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 16:43:06,618 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 24.3) internal successors, (243), 3 states have internal predecessors, (243), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 400 [2022-11-21 16:43:06,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:43:07,020 INFO L225 Difference]: With dead ends: 130409 [2022-11-21 16:43:07,020 INFO L226 Difference]: Without dead ends: 83926 [2022-11-21 16:43:07,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:43:07,168 INFO L413 NwaCegarLoop]: 2940 mSDtfsCounter, 12222 mSDsluCounter, 10376 mSDsCounter, 0 mSdLazyCounter, 14396 mSolverCounterSat, 10756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12793 SdHoareTripleChecker+Valid, 13316 SdHoareTripleChecker+Invalid, 25152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10756 IncrementalHoareTripleChecker+Valid, 14396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:43:07,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12793 Valid, 13316 Invalid, 25152 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10756 Valid, 14396 Invalid, 0 Unknown, 0 Unchecked, 28.5s Time] [2022-11-21 16:43:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83926 states. [2022-11-21 16:43:13,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83926 to 47162. [2022-11-21 16:43:13,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47162 states, 33516 states have (on average 1.3836376655925529) internal successors, (46374), 34687 states have internal predecessors, (46374), 11543 states have call successors, (11543), 2055 states have call predecessors, (11543), 2102 states have return successors, (11878), 10999 states have call predecessors, (11878), 11542 states have call successors, (11878) [2022-11-21 16:43:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47162 states to 47162 states and 69795 transitions. [2022-11-21 16:43:13,663 INFO L78 Accepts]: Start accepts. Automaton has 47162 states and 69795 transitions. Word has length 400 [2022-11-21 16:43:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:43:13,664 INFO L495 AbstractCegarLoop]: Abstraction has 47162 states and 69795 transitions. [2022-11-21 16:43:13,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.3) internal successors, (243), 3 states have internal predecessors, (243), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-21 16:43:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 47162 states and 69795 transitions. [2022-11-21 16:43:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-11-21 16:43:14,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:43:14,025 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:43:14,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:43:14,026 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:43:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:43:14,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1033000959, now seen corresponding path program 1 times [2022-11-21 16:43:14,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:43:14,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807198522] [2022-11-21 16:43:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:43:14,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:43:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:43:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:43:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:43:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:43:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:43:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:43:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 16:43:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:43:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 16:43:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:43:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:43:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:43:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 16:43:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:43:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:43:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 16:43:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:43:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:43:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 16:43:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-21 16:43:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:43:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:43:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 16:43:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 16:43:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:43:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:43:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 16:43:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-21 16:43:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-21 16:43:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-21 16:43:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 16:43:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-21 16:43:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:43:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-21 16:43:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-21 16:43:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-21 16:43:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-21 16:43:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-21 16:43:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 16:43:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-21 16:43:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-21 16:43:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 16:43:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-21 16:43:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-21 16:43:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:43:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-21 16:43:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-21 16:43:15,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:43:15,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807198522] [2022-11-21 16:43:15,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807198522] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:43:15,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536083681] [2022-11-21 16:43:15,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:43:15,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:43:15,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:43:15,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:43:15,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661d6911-1881-473c-95ea-e885e6934710/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:43:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:43:18,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 7928 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:43:18,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:43:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-21 16:43:18,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:43:18,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536083681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:43:18,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:43:18,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-11-21 16:43:18,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212829196] [2022-11-21 16:43:18,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:43:18,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:43:18,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:43:18,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:43:18,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:43:18,144 INFO L87 Difference]: Start difference. First operand 47162 states and 69795 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46)