./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--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/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--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:36:11,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:36:11,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:36:11,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:36:11,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:36:11,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:36:11,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:36:11,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:36:11,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:36:11,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:36:11,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:36:11,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:36:11,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:36:11,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:36:11,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:36:11,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:36:11,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:36:11,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:36:11,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:36:11,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:36:11,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:36:11,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:36:11,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:36:11,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:36:11,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:36:11,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:36:11,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:36:11,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:36:11,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:36:11,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:36:11,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:36:11,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:36:11,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:36:11,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:36:11,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:36:11,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:36:11,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:36:11,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:36:11,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:36:11,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:36:11,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:36:11,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:36:11,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:36:11,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:36:11,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:36:11,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:36:11,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:36:11,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:36:11,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:36:11,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:36:11,428 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:36:11,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:36:11,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:36:11,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:36:11,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:36:11,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:36:11,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:36:11,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:36:11,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:36:11,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:36:11,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:36:11,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:36:11,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:36:11,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:36:11,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:36:11,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:36:11,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:36:11,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:36:11,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:36:11,434 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:36:11,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:36:11,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:36:11,436 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_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af [2022-11-18 20:36:11,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:36:11,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:36:11,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:36:11,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:36:11,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:36:11,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:36:11,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/data/d623a46db/80f02bebb862421492408c25435653df/FLAG60e87c429 [2022-11-18 20:36:12,935 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:36:12,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:36:13,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/data/d623a46db/80f02bebb862421492408c25435653df/FLAG60e87c429 [2022-11-18 20:36:13,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/data/d623a46db/80f02bebb862421492408c25435653df [2022-11-18 20:36:13,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:36:13,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:36:13,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:36:13,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:36:13,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:36:13,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:13" (1/1) ... [2022-11-18 20:36:13,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e993c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:13, skipping insertion in model container [2022-11-18 20:36:13,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:13" (1/1) ... [2022-11-18 20:36:13,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:36:13,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:36:14,320 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2022-11-18 20:36:14,321 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2022-11-18 20:36:15,079 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[202382,202395] [2022-11-18 20:36:19,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:36:19,240 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:36:19,381 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2022-11-18 20:36:19,382 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2022-11-18 20:36:19,407 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[202382,202395] [2022-11-18 20:36:19,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:36:20,298 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:36:20,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20 WrapperNode [2022-11-18 20:36:20,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:36:20,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:36:20,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:36:20,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:36:20,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,961 INFO L138 Inliner]: procedures = 615, calls = 7334, calls flagged for inlining = 278, calls inlined = 266, statements flattened = 14852 [2022-11-18 20:36:20,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:36:20,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:36:20,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:36:20,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:36:20,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,705 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:36:21,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:36:21,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:36:21,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:36:21,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:21,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:36:21,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:36:21,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:36:21,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ce74db-1d52-46a1-95a3-f9a37015af31/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:36:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:36:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:36:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-18 20:36:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-18 20:36:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 20:36:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-18 20:36:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-18 20:36:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-18 20:36:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-18 20:36:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-18 20:36:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-18 20:36:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-18 20:36:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-18 20:36:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 20:36:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 20:36:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-18 20:36:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-18 20:36:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:36:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:36:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-18 20:36:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-18 20:36:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-18 20:36:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-18 20:36:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-18 20:36:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-18 20:36:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-18 20:36:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-18 20:36:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:36:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:36:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-18 20:36:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-18 20:36:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-18 20:36:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-18 20:36:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-18 20:36:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-18 20:36:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 20:36:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 20:36:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-18 20:36:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-18 20:36:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:36:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:36:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-18 20:36:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-18 20:36:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:36:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:36:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-18 20:36:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-18 20:36:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-18 20:36:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-18 20:36:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:36:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:36:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-18 20:36:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-18 20:36:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-18 20:36:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-18 20:36:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-18 20:36:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-18 20:36:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-18 20:36:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-18 20:36:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-18 20:36:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-18 20:36:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-18 20:36:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-18 20:36:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:36:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:36:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-18 20:36:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-18 20:36:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:36:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:36:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 20:36:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 20:36:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-18 20:36:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-18 20:36:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:36:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:36:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 20:36:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-18 20:36:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-18 20:36:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-18 20:36:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-18 20:36:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:36:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:36:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-18 20:36:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-18 20:36:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:36:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:36:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:36:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-18 20:36:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-18 20:36:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-18 20:36:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-18 20:36:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-18 20:36:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-18 20:36:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-18 20:36:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-18 20:36:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-18 20:36:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-18 20:36:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-18 20:36:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-18 20:36:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-18 20:36:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-18 20:36:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-18 20:36:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-18 20:36:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-18 20:36:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-18 20:36:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-18 20:36:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-18 20:36:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:36:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:36:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-18 20:36:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-18 20:36:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:36:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:36:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-18 20:36:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-18 20:36:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-18 20:36:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-18 20:36:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:36:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-18 20:36:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-18 20:36:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-18 20:36:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-18 20:36:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:36:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:36:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:36:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:36:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-18 20:36:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-18 20:36:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-18 20:36:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-18 20:36:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-18 20:36:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-18 20:36:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:36:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-18 20:36:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-18 20:36:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:36:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:36:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:36:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-18 20:36:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-18 20:36:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-18 20:36:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-18 20:36:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:36:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:36:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-18 20:36:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-18 20:36:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-18 20:36:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-18 20:36:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-18 20:36:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-18 20:36:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:36:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:36:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-18 20:36:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-18 20:36:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-18 20:36:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-18 20:36:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 20:36:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 20:36:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-18 20:36:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-18 20:36:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-18 20:36:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-18 20:36:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-18 20:36:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-18 20:36:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:36:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:36:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:36:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:36:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-18 20:36:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-18 20:36:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-18 20:36:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-18 20:36:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-18 20:36:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-18 20:36:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-18 20:36:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:36:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-18 20:36:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-18 20:36:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-18 20:36:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-18 20:36:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-18 20:36:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-18 20:36:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:36:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:36:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:36:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-18 20:36:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-18 20:36:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:36:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:36:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:36:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:36:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-18 20:36:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-18 20:36:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-18 20:36:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-18 20:36:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:36:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:36:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-18 20:36:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-18 20:36:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:36:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:36:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-18 20:36:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-18 20:36:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:36:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:36:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-18 20:36:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-18 20:36:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-18 20:36:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-18 20:36:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:36:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:36:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-18 20:36:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-18 20:36:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 20:36:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 20:36:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-18 20:36:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-18 20:36:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:36:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:36:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 20:36:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 20:36:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-18 20:36:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-18 20:36:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-18 20:36:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-18 20:36:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-18 20:36:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-18 20:36:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-18 20:36:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-18 20:36:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-18 20:36:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-18 20:36:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 20:36:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 20:36:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:36:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:36:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-18 20:36:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-18 20:36:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:36:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:36:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-18 20:36:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-18 20:36:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-18 20:36:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-18 20:36:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-18 20:36:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-18 20:36:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-18 20:36:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-18 20:36:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:36:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:36:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-18 20:36:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-18 20:36:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:36:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:36:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:36:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:36:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-18 20:36:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-18 20:36:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-18 20:36:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-18 20:36:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:36:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:36:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-18 20:36:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-18 20:36:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 20:36:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 20:36:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:36:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:36:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:36:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:36:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-18 20:36:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-18 20:36:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 20:36:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-18 20:36:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-18 20:36:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 20:36:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 20:36:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-18 20:36:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-18 20:36:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-18 20:36:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-18 20:36:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-18 20:36:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-18 20:36:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-18 20:36:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-18 20:36:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-18 20:36:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-18 20:36:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:36:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:36:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-11-18 20:36:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-11-18 20:36:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:36:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:36:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-18 20:36:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-18 20:36:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-18 20:36:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-18 20:36:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:36:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:36:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-18 20:36:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-18 20:36:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-18 20:36:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-18 20:36:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:36:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:36:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:36:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:36:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-18 20:36:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-18 20:36:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-18 20:36:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-18 20:36:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:36:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:36:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-18 20:36:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-18 20:36:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 20:36:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 20:36:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-18 20:36:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-18 20:36:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-18 20:36:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-18 20:36:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-18 20:36:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-18 20:36:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-18 20:36:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-18 20:36:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 20:36:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 20:36:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 20:36:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 20:36:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-18 20:36:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-18 20:36:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:36:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:36:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:36:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-18 20:36:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-18 20:36:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 20:36:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 20:36:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-18 20:36:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-18 20:36:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:36:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:36:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-18 20:36:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-18 20:36:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-18 20:36:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-18 20:36:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:36:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-18 20:36:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-18 20:36:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-18 20:36:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-18 20:36:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-18 20:36:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-18 20:36:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 20:36:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 20:36:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-18 20:36:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-18 20:36:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-18 20:36:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-18 20:36:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:36:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-18 20:36:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-18 20:36:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-18 20:36:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-18 20:36:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 20:36:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 20:36:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-18 20:36:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-18 20:36:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:36:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:36:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:36:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:36:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:36:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:36:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-18 20:36:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-18 20:36:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:36:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:36:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-18 20:36:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-18 20:36:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-18 20:36:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-18 20:36:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-18 20:36:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-18 20:36:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-18 20:36:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-18 20:36:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 20:36:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 20:36:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:36:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:36:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:36:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:36:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-18 20:36:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-18 20:36:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 20:36:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 20:36:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-18 20:36:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-18 20:36:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-18 20:36:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-18 20:36:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:36:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:36:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-18 20:36:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-18 20:36:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-18 20:36:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-18 20:36:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:36:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:36:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-18 20:36:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-18 20:36:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-18 20:36:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-18 20:36:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:36:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-18 20:36:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-18 20:36:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-18 20:36:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-18 20:36:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:36:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:36:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-18 20:36:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-18 20:36:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-18 20:36:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-18 20:36:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-18 20:36:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-18 20:36:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 20:36:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 20:36:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:36:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:36:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-18 20:36:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-18 20:36:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-18 20:36:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-18 20:36:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:36:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:36:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-18 20:36:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-18 20:36:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-18 20:36:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-18 20:36:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 20:36:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 20:36:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-18 20:36:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-18 20:36:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-18 20:36:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-18 20:36:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 20:36:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 20:36:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-18 20:36:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-18 20:36:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-18 20:36:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-18 20:36:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-18 20:36:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-18 20:36:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 20:36:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 20:36:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-18 20:36:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-18 20:36:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-18 20:36:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-18 20:36:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-18 20:36:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-18 20:36:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-18 20:36:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-18 20:36:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:36:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:36:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-18 20:36:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-18 20:36:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 20:36:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 20:36:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-18 20:36:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-18 20:36:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-18 20:36:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-18 20:36:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-18 20:36:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-18 20:36:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-18 20:36:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-18 20:36:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:36:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:36:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:36:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:36:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:36:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-18 20:36:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-18 20:36:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-18 20:36:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-18 20:36:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-18 20:36:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-18 20:36:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-18 20:36:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-18 20:36:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-18 20:36:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-18 20:36:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-18 20:36:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-18 20:36:23,613 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:36:23,618 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:36:23,711 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:36:47,022 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:36:47,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:36:47,062 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:36:47,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:47 BoogieIcfgContainer [2022-11-18 20:36:47,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:36:47,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:36:47,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:36:47,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:36:47,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:36:13" (1/3) ... [2022-11-18 20:36:47,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0656e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:47, skipping insertion in model container [2022-11-18 20:36:47,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (2/3) ... [2022-11-18 20:36:47,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0656e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:47, skipping insertion in model container [2022-11-18 20:36:47,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:47" (3/3) ... [2022-11-18 20:36:47,090 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:36:47,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:36:47,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:36:47,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:36:47,308 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;@6435827f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:36:47,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:36:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 4944 states, 3500 states have (on average 1.3811428571428572) internal successors, (4834), 3575 states have internal predecessors, (4834), 1207 states have call successors, (1207), 236 states have call predecessors, (1207), 235 states have return successors, (1197), 1182 states have call predecessors, (1197), 1197 states have call successors, (1197) [2022-11-18 20:36:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-18 20:36:47,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:47,387 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:36:47,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:47,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash 384597747, now seen corresponding path program 1 times [2022-11-18 20:36:47,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:36:47,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428144441] [2022-11-18 20:36:47,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:47,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:36:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:36:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:36:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:36:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:36:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:36:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:36:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:36:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:36:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:36:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:36:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:36:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:49,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:49,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:36:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 20:36:49,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:36:49,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428144441] [2022-11-18 20:36:49,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428144441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:36:49,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:36:49,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:36:49,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691342870] [2022-11-18 20:36:49,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:36:49,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:36:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:36:49,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:36:49,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:36:49,163 INFO L87 Difference]: Start difference. First operand has 4944 states, 3500 states have (on average 1.3811428571428572) internal successors, (4834), 3575 states have internal predecessors, (4834), 1207 states have call successors, (1207), 236 states have call predecessors, (1207), 235 states have return successors, (1197), 1182 states have call predecessors, (1197), 1197 states have call successors, (1197) Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 20:37:15,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:17,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:19,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:21,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:23,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:25,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:26,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:27,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:30,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:31,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:35,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:37,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:54,547 INFO L93 Difference]: Finished difference Result 16127 states and 24671 transitions. [2022-11-18 20:37:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:37:54,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2022-11-18 20:37:54,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:54,669 INFO L225 Difference]: With dead ends: 16127 [2022-11-18 20:37:54,669 INFO L226 Difference]: Without dead ends: 11129 [2022-11-18 20:37:54,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:37:54,723 INFO L413 NwaCegarLoop]: 6304 mSDtfsCounter, 13647 mSDsluCounter, 10060 mSDsCounter, 0 mSdLazyCounter, 11733 mSolverCounterSat, 7115 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14718 SdHoareTripleChecker+Valid, 16364 SdHoareTripleChecker+Invalid, 18856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7115 IncrementalHoareTripleChecker+Valid, 11733 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:54,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14718 Valid, 16364 Invalid, 18856 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7115 Valid, 11733 Invalid, 8 Unknown, 0 Unchecked, 63.7s Time] [2022-11-18 20:37:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11129 states. [2022-11-18 20:37:55,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11129 to 9483. [2022-11-18 20:37:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9483 states, 6721 states have (on average 1.3703317958637107) internal successors, (9210), 6850 states have internal predecessors, (9210), 2303 states have call successors, (2303), 460 states have call predecessors, (2303), 458 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2022-11-18 20:37:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9483 states to 9483 states and 13814 transitions. [2022-11-18 20:37:55,794 INFO L78 Accepts]: Start accepts. Automaton has 9483 states and 13814 transitions. Word has length 136 [2022-11-18 20:37:55,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:55,798 INFO L495 AbstractCegarLoop]: Abstraction has 9483 states and 13814 transitions. [2022-11-18 20:37:55,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 20:37:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 9483 states and 13814 transitions. [2022-11-18 20:37:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-18 20:37:55,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:55,810 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:55,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:37:55,811 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:55,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:55,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1415145528, now seen corresponding path program 1 times [2022-11-18 20:37:55,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:55,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423609382] [2022-11-18 20:37:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:55,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:37:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:37:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:37:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:37:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:37:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:37:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:37:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:37:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:37:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:37:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 20:37:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:37:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:37:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:37:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 20:37:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-18 20:37:57,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:57,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423609382] [2022-11-18 20:37:57,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423609382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:57,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:57,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:37:57,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303767007] [2022-11-18 20:37:57,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:57,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:37:57,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:57,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:37:57,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:37:57,135 INFO L87 Difference]: Start difference. First operand 9483 states and 13814 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:38:29,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:31,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:33,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:35,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:37,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:39,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:49,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:51,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:53,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:55,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:38:58,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:00,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:02,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:15,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:17,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:19,234 INFO L93 Difference]: Finished difference Result 31399 states and 46835 transitions. [2022-11-18 20:39:19,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:39:19,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2022-11-18 20:39:19,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:19,417 INFO L225 Difference]: With dead ends: 31399 [2022-11-18 20:39:19,417 INFO L226 Difference]: Without dead ends: 21937 [2022-11-18 20:39:19,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:39:19,480 INFO L413 NwaCegarLoop]: 6132 mSDtfsCounter, 10860 mSDsluCounter, 12584 mSDsCounter, 0 mSdLazyCounter, 14378 mSolverCounterSat, 3997 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11969 SdHoareTripleChecker+Valid, 18716 SdHoareTripleChecker+Invalid, 18386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3997 IncrementalHoareTripleChecker+Valid, 14378 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:19,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11969 Valid, 18716 Invalid, 18386 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3997 Valid, 14378 Invalid, 11 Unknown, 0 Unchecked, 80.4s Time] [2022-11-18 20:39:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21937 states. [2022-11-18 20:39:20,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21937 to 18679. [2022-11-18 20:39:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18679 states, 13261 states have (on average 1.3705602895709224) internal successors, (18175), 13516 states have internal predecessors, (18175), 4509 states have call successors, (4509), 911 states have call predecessors, (4509), 908 states have return successors, (4507), 4435 states have call predecessors, (4507), 4507 states have call successors, (4507) [2022-11-18 20:39:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18679 states to 18679 states and 27191 transitions. [2022-11-18 20:39:20,743 INFO L78 Accepts]: Start accepts. Automaton has 18679 states and 27191 transitions. Word has length 150 [2022-11-18 20:39:20,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:20,745 INFO L495 AbstractCegarLoop]: Abstraction has 18679 states and 27191 transitions. [2022-11-18 20:39:20,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:39:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 18679 states and 27191 transitions. [2022-11-18 20:39:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-18 20:39:20,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:20,769 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:39:20,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:39:20,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:39:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:20,771 INFO L85 PathProgramCache]: Analyzing trace with hash -929607730, now seen corresponding path program 1 times [2022-11-18 20:39:20,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:20,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901430973] [2022-11-18 20:39:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:20,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:39:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:39:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:39:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:39:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:39:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:39:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:39:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:39:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:39:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:39:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 20:39:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:39:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:39:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 20:39:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:39:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:39:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 20:39:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:39:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 20:39:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:39:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:39:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 20:39:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 20:39:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-18 20:39:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:39:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:39:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-18 20:39:22,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:22,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901430973] [2022-11-18 20:39:22,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901430973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:22,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:22,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:39:22,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555224327] [2022-11-18 20:39:22,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:22,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:39:22,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:22,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:39:22,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:39:22,259 INFO L87 Difference]: Start difference. First operand 18679 states and 27191 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 20:39:55,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:57,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:39:59,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:01,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:03,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:04,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:06,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:14,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:40:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:31,190 INFO L93 Difference]: Finished difference Result 64754 states and 97564 transitions. [2022-11-18 20:40:31,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:40:31,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 192 [2022-11-18 20:40:31,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:31,500 INFO L225 Difference]: With dead ends: 64754 [2022-11-18 20:40:31,500 INFO L226 Difference]: Without dead ends: 46096 [2022-11-18 20:40:31,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:40:31,608 INFO L413 NwaCegarLoop]: 6215 mSDtfsCounter, 19114 mSDsluCounter, 10821 mSDsCounter, 0 mSdLazyCounter, 14310 mSolverCounterSat, 12447 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20138 SdHoareTripleChecker+Valid, 17036 SdHoareTripleChecker+Invalid, 26764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 12447 IncrementalHoareTripleChecker+Valid, 14310 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:31,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20138 Valid, 17036 Invalid, 26764 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [12447 Valid, 14310 Invalid, 7 Unknown, 0 Unchecked, 65.6s Time] [2022-11-18 20:40:31,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46096 states. [2022-11-18 20:40:34,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46096 to 35950. [2022-11-18 20:40:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35950 states, 25563 states have (on average 1.3731956343152212) internal successors, (35103), 26075 states have internal predecessors, (35103), 8605 states have call successors, (8605), 1706 states have call predecessors, (8605), 1781 states have return successors, (9006), 8522 states have call predecessors, (9006), 8603 states have call successors, (9006) [2022-11-18 20:40:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35950 states to 35950 states and 52714 transitions. [2022-11-18 20:40:34,595 INFO L78 Accepts]: Start accepts. Automaton has 35950 states and 52714 transitions. Word has length 192 [2022-11-18 20:40:34,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:34,598 INFO L495 AbstractCegarLoop]: Abstraction has 35950 states and 52714 transitions. [2022-11-18 20:40:34,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 20:40:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 35950 states and 52714 transitions. [2022-11-18 20:40:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-18 20:40:34,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:34,622 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 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] [2022-11-18 20:40:34,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:40:34,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:34,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1546028524, now seen corresponding path program 1 times [2022-11-18 20:40:34,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:34,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54256961] [2022-11-18 20:40:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:34,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:40:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:40:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:40:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:40:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:40:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:40:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:40:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:40:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:40:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:40:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:40:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 20:40:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:40:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 20:40:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:40:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:40:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 20:40:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:40:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:40:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:40:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 20:40:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 20:40:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:40:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 20:40:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 20:40:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:40:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-18 20:40:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:40:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:40:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:40:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:40:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:40:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:40:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:40:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:40:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:40:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:40:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-18 20:40:35,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:35,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54256961] [2022-11-18 20:40:35,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54256961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:35,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:35,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:40:35,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027951306] [2022-11-18 20:40:35,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:35,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:40:35,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:35,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:40:35,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:40:35,783 INFO L87 Difference]: Start difference. First operand 35950 states and 52714 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-18 20:41:05,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:07,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:09,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:12,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:14,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:16,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:18,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:20,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:22,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:24,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:26,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:28,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:30,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:31,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:33,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:35,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:38,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:40,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:42,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:44,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:46,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:48,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:50,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:52,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:54,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:41:55,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:12,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:12,200 INFO L93 Difference]: Finished difference Result 102462 states and 151818 transitions. [2022-11-18 20:42:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:42:12,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 244 [2022-11-18 20:42:12,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:12,999 INFO L225 Difference]: With dead ends: 102462 [2022-11-18 20:42:12,999 INFO L226 Difference]: Without dead ends: 66533 [2022-11-18 20:42:13,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:42:13,175 INFO L413 NwaCegarLoop]: 7646 mSDtfsCounter, 9522 mSDsluCounter, 11735 mSDsCounter, 0 mSdLazyCounter, 12709 mSolverCounterSat, 5102 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10378 SdHoareTripleChecker+Valid, 19381 SdHoareTripleChecker+Invalid, 17830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5102 IncrementalHoareTripleChecker+Valid, 12709 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:13,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10378 Valid, 19381 Invalid, 17830 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5102 Valid, 12709 Invalid, 19 Unknown, 0 Unchecked, 92.4s Time] [2022-11-18 20:42:13,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66533 states. [2022-11-18 20:42:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66533 to 58203. [2022-11-18 20:42:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58203 states, 41560 states have (on average 1.368599615014437) internal successors, (56879), 42395 states have internal predecessors, (56879), 13562 states have call successors, (13562), 2929 states have call predecessors, (13562), 3080 states have return successors, (14266), 13460 states have call predecessors, (14266), 13560 states have call successors, (14266) [2022-11-18 20:42:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58203 states to 58203 states and 84707 transitions. [2022-11-18 20:42:17,173 INFO L78 Accepts]: Start accepts. Automaton has 58203 states and 84707 transitions. Word has length 244 [2022-11-18 20:42:17,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:17,174 INFO L495 AbstractCegarLoop]: Abstraction has 58203 states and 84707 transitions. [2022-11-18 20:42:17,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-18 20:42:17,175 INFO L276 IsEmpty]: Start isEmpty. Operand 58203 states and 84707 transitions. [2022-11-18 20:42:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-18 20:42:17,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:17,222 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 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] [2022-11-18 20:42:17,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:42:17,222 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:17,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1934104695, now seen corresponding path program 1 times [2022-11-18 20:42:17,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:17,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119874241] [2022-11-18 20:42:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:42:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:42:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:42:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:42:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:42:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:42:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:42:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:42:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:42:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:42:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 20:42:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:42:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:42:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:42:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:42:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:42:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:42:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 20:42:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 20:42:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 20:42:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:42:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 20:42:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:42:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-18 20:42:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-11-18 20:42:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:18,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119874241] [2022-11-18 20:42:18,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119874241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:18,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:18,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:42:18,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107540979] [2022-11-18 20:42:18,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:18,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:42:18,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:42:18,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:42:18,977 INFO L87 Difference]: Start difference. First operand 58203 states and 84707 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-18 20:42:52,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:54,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:56,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:42:58,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:00,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:02,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:04,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:06,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:08,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:10,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:12,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:14,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:16,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:18,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:20,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:22,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:24,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:26,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:34,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:36,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:38,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:40,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:42,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:44,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:46,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:48,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:50,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:52,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:54,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:56,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:57,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:43:59,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:44:01,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:44:17,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:44:17,806 INFO L93 Difference]: Finished difference Result 157632 states and 232833 transitions. [2022-11-18 20:44:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:44:17,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 219 [2022-11-18 20:44:17,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:44:18,839 INFO L225 Difference]: With dead ends: 157632 [2022-11-18 20:44:18,839 INFO L226 Difference]: Without dead ends: 99461 [2022-11-18 20:44:19,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:44:19,196 INFO L413 NwaCegarLoop]: 9513 mSDtfsCounter, 11336 mSDsluCounter, 13628 mSDsCounter, 0 mSdLazyCounter, 14423 mSolverCounterSat, 5475 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12448 SdHoareTripleChecker+Valid, 23141 SdHoareTripleChecker+Invalid, 19926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5475 IncrementalHoareTripleChecker+Valid, 14423 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:44:19,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12448 Valid, 23141 Invalid, 19926 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5475 Valid, 14423 Invalid, 28 Unknown, 0 Unchecked, 112.8s Time] [2022-11-18 20:44:19,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99461 states. [2022-11-18 20:44:23,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99461 to 86665. [2022-11-18 20:44:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86665 states, 61860 states have (on average 1.3676527643064986) internal successors, (84603), 63088 states have internal predecessors, (84603), 20202 states have call successors, (20202), 4401 states have call predecessors, (20202), 4602 states have return successors, (21149), 20038 states have call predecessors, (21149), 20200 states have call successors, (21149) [2022-11-18 20:44:24,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86665 states to 86665 states and 125954 transitions. [2022-11-18 20:44:24,674 INFO L78 Accepts]: Start accepts. Automaton has 86665 states and 125954 transitions. Word has length 219 [2022-11-18 20:44:24,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:44:24,676 INFO L495 AbstractCegarLoop]: Abstraction has 86665 states and 125954 transitions. [2022-11-18 20:44:24,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-18 20:44:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 86665 states and 125954 transitions. [2022-11-18 20:44:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-18 20:44:24,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:44:24,738 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 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, 1, 1, 1] [2022-11-18 20:44:24,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:44:24,739 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:44:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1073447863, now seen corresponding path program 1 times [2022-11-18 20:44:24,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:24,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486877690] [2022-11-18 20:44:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:44:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:44:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:44:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:44:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:44:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:44:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:44:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:44:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:44:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:44:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 20:44:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:44:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:44:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:44:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:44:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:44:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:44:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 20:44:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:44:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 20:44:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 20:44:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 20:44:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:44:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-18 20:44:26,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:26,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486877690] [2022-11-18 20:44:26,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486877690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:26,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:26,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:44:26,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971989454] [2022-11-18 20:44:26,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:26,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:44:26,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:26,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:44:26,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:44:26,380 INFO L87 Difference]: Start difference. First operand 86665 states and 125954 transitions. Second operand has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 20:45:03,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:05,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:07,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:09,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:11,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:13,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:15,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:17,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:19,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:21,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:23,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:24,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:33,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:36,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:37,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:39,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:56,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:45:56,030 INFO L93 Difference]: Finished difference Result 219000 states and 322979 transitions. [2022-11-18 20:45:56,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:45:56,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 235 [2022-11-18 20:45:56,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:45:56,942 INFO L225 Difference]: With dead ends: 219000 [2022-11-18 20:45:56,942 INFO L226 Difference]: Without dead ends: 132367 [2022-11-18 20:45:57,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:45:57,533 INFO L413 NwaCegarLoop]: 8849 mSDtfsCounter, 13233 mSDsluCounter, 12898 mSDsCounter, 0 mSdLazyCounter, 14293 mSolverCounterSat, 8279 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14349 SdHoareTripleChecker+Valid, 21747 SdHoareTripleChecker+Invalid, 22580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8279 IncrementalHoareTripleChecker+Valid, 14293 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:45:57,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14349 Valid, 21747 Invalid, 22580 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8279 Valid, 14293 Invalid, 8 Unknown, 0 Unchecked, 81.7s Time] [2022-11-18 20:45:57,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132367 states. [2022-11-18 20:46:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132367 to 115151. [2022-11-18 20:46:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115151 states, 82176 states have (on average 1.367102316978193) internal successors, (112343), 83797 states have internal predecessors, (112343), 26842 states have call successors, (26842), 5881 states have call predecessors, (26842), 6132 states have return successors, (28032), 26616 states have call predecessors, (28032), 26840 states have call successors, (28032) [2022-11-18 20:46:03,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115151 states to 115151 states and 167217 transitions. [2022-11-18 20:46:03,825 INFO L78 Accepts]: Start accepts. Automaton has 115151 states and 167217 transitions. Word has length 235 [2022-11-18 20:46:03,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:03,826 INFO L495 AbstractCegarLoop]: Abstraction has 115151 states and 167217 transitions. [2022-11-18 20:46:03,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 20:46:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 115151 states and 167217 transitions. [2022-11-18 20:46:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-18 20:46:03,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:03,916 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-18 20:46:03,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:46:03,917 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:46:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:03,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1033835350, now seen corresponding path program 1 times [2022-11-18 20:46:03,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:03,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785664864] [2022-11-18 20:46:03,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:03,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:46:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:46:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:46:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:46:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:46:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:46:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:46:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:46:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:46:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:46:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 20:46:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:46:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:46:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:46:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:46:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:46:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:46:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:46:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 20:46:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:46:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:46:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 20:46:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-18 20:46:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-18 20:46:05,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:05,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785664864] [2022-11-18 20:46:05,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785664864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:05,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:05,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:46:05,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642007310] [2022-11-18 20:46:05,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:05,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:46:05,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:05,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:46:05,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:46:05,966 INFO L87 Difference]: Start difference. First operand 115151 states and 167217 transitions. Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (30), 5 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 20:46:37,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:39,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:41,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:43,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:45,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:47,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:48,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:50,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:52,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:10,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:12,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:47:12,184 INFO L93 Difference]: Finished difference Result 247692 states and 366822 transitions. [2022-11-18 20:47:12,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:47:12,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (30), 5 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 249 [2022-11-18 20:47:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:47:13,591 INFO L225 Difference]: With dead ends: 247692 [2022-11-18 20:47:13,592 INFO L226 Difference]: Without dead ends: 132573 [2022-11-18 20:47:14,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:47:14,059 INFO L413 NwaCegarLoop]: 5255 mSDtfsCounter, 5737 mSDsluCounter, 19016 mSDsCounter, 0 mSdLazyCounter, 14763 mSolverCounterSat, 4748 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6173 SdHoareTripleChecker+Valid, 24271 SdHoareTripleChecker+Invalid, 19518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4748 IncrementalHoareTripleChecker+Valid, 14763 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:47:14,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6173 Valid, 24271 Invalid, 19518 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4748 Valid, 14763 Invalid, 7 Unknown, 0 Unchecked, 57.6s Time] [2022-11-18 20:47:14,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132573 states. [2022-11-18 20:47:20,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132573 to 115279. [2022-11-18 20:47:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115279 states, 82272 states have (on average 1.3666739595488138) internal successors, (112439), 83893 states have internal predecessors, (112439), 26842 states have call successors, (26842), 5881 states have call predecessors, (26842), 6164 states have return successors, (28521), 26648 states have call predecessors, (28521), 26840 states have call successors, (28521) [2022-11-18 20:47:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115279 states to 115279 states and 167802 transitions. [2022-11-18 20:47:21,251 INFO L78 Accepts]: Start accepts. Automaton has 115279 states and 167802 transitions. Word has length 249 [2022-11-18 20:47:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:47:21,252 INFO L495 AbstractCegarLoop]: Abstraction has 115279 states and 167802 transitions. [2022-11-18 20:47:21,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (30), 5 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 20:47:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 115279 states and 167802 transitions. [2022-11-18 20:47:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-18 20:47:21,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:47:21,342 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-18 20:47:21,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:47:21,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:47:21,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:21,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1034713296, now seen corresponding path program 1 times [2022-11-18 20:47:21,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:21,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875972294] [2022-11-18 20:47:21,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:21,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:47:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:47:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:47:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:47:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:47:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:47:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:47:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:47:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:47:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:47:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 20:47:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:47:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:47:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:47:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:47:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:47:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:47:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:47:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 20:47:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:47:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:47:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 20:47:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:47:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-18 20:47:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-18 20:47:23,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:47:23,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875972294] [2022-11-18 20:47:23,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875972294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:47:23,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:47:23,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:47:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629182160] [2022-11-18 20:47:23,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:47:23,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:47:23,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:47:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:47:23,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:47:23,876 INFO L87 Difference]: Start difference. First operand 115279 states and 167802 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 20:47:49,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:52,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:54,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:56,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:58,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:00,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:02,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:04,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:06,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:08,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:10,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:12,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:14,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:16,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:17,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:19,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:20,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:22,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:24,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:25,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:27,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:48:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:43,786 INFO L93 Difference]: Finished difference Result 134091 states and 199458 transitions. [2022-11-18 20:48:43,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:48:43,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 255 [2022-11-18 20:48:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:43,802 INFO L225 Difference]: With dead ends: 134091 [2022-11-18 20:48:43,802 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:48:44,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:48:44,255 INFO L413 NwaCegarLoop]: 5238 mSDtfsCounter, 8717 mSDsluCounter, 7519 mSDsCounter, 0 mSdLazyCounter, 8616 mSolverCounterSat, 2851 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9404 SdHoareTripleChecker+Valid, 12757 SdHoareTripleChecker+Invalid, 11483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2851 IncrementalHoareTripleChecker+Valid, 8616 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:44,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9404 Valid, 12757 Invalid, 11483 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2851 Valid, 8616 Invalid, 16 Unknown, 0 Unchecked, 72.4s Time] [2022-11-18 20:48:44,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:48:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:48:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:48:44,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 255 [2022-11-18 20:48:44,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:44,274 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:44,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 20:48:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:48:44,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:48:44,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:48:44,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:48:44,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.