./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 08:24:57,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 08:24:57,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 08:24:57,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 08:24:57,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 08:24:57,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 08:24:57,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 08:24:57,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 08:24:57,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 08:24:57,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 08:24:57,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 08:24:57,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 08:24:57,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 08:24:57,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 08:24:57,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 08:24:57,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 08:24:57,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 08:24:57,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 08:24:57,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 08:24:57,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 08:24:57,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 08:24:57,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 08:24:57,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 08:24:57,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 08:24:57,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 08:24:57,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 08:24:57,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 08:24:57,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 08:24:57,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 08:24:57,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 08:24:57,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 08:24:57,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 08:24:57,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 08:24:57,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 08:24:57,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 08:24:57,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 08:24:57,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 08:24:57,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 08:24:57,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 08:24:57,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 08:24:57,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 08:24:57,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 08:24:57,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 08:24:57,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 08:24:57,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 08:24:57,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 08:24:57,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 08:24:57,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 08:24:57,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 08:24:57,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 08:24:57,459 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 08:24:57,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 08:24:57,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 08:24:57,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 08:24:57,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 08:24:57,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 08:24:57,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 08:24:57,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 08:24:57,461 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 08:24:57,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 08:24:57,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 08:24:57,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 08:24:57,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 08:24:57,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:24:57,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 08:24:57,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 08:24:57,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 08:24:57,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 08:24:57,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 08:24:57,464 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 08:24:57,464 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 08:24:57,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 08:24:57,464 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_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af [2022-11-21 08:24:57,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 08:24:57,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 08:24:57,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 08:24:57,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 08:24:57,820 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 08:24:57,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-21 08:25:00,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 08:25:01,666 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 08:25:01,666 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/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 [2022-11-21 08:25:01,737 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/data/eddb090f8/eaad981b1125403b8add5e7625336960/FLAG118d116aa [2022-11-21 08:25:01,757 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/data/eddb090f8/eaad981b1125403b8add5e7625336960 [2022-11-21 08:25:01,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 08:25:01,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 08:25:01,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 08:25:01,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 08:25:01,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 08:25:01,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:25:01" (1/1) ... [2022-11-21 08:25:01,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb7f687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:01, skipping insertion in model container [2022-11-21 08:25:01,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:25:01" (1/1) ... [2022-11-21 08:25:01,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 08:25:02,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 08:25:02,778 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2022-11-21 08:25:02,781 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2022-11-21 08:25:03,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/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] [2022-11-21 08:25:07,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:25:07,804 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 08:25:07,984 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2022-11-21 08:25:07,985 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2022-11-21 08:25:07,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/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] [2022-11-21 08:25:08,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 08:25:09,111 INFO L208 MainTranslator]: Completed translation [2022-11-21 08:25:09,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09 WrapperNode [2022-11-21 08:25:09,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 08:25:09,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 08:25:09,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 08:25:09,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 08:25:09,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:09,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:09,864 INFO L138 Inliner]: procedures = 615, calls = 7334, calls flagged for inlining = 278, calls inlined = 266, statements flattened = 14737 [2022-11-21 08:25:09,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 08:25:09,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 08:25:09,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 08:25:09,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 08:25:09,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:09,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 08:25:10,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 08:25:10,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 08:25:10,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 08:25:10,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (1/1) ... [2022-11-21 08:25:10,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 08:25:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 08:25:10,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 08:25:10,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f0d572-e221-457d-b8c2-b983c8cfd23b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 08:25:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 08:25:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 08:25:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-21 08:25:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-21 08:25:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-21 08:25:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-21 08:25:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-21 08:25:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-21 08:25:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-21 08:25:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-21 08:25:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-21 08:25:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-21 08:25:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-21 08:25:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 08:25:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 08:25:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-21 08:25:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-21 08:25:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 08:25:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 08:25:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-21 08:25:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-21 08:25:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-21 08:25:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-21 08:25:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-21 08:25:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-21 08:25:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-21 08:25:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-21 08:25:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 08:25:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 08:25:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-21 08:25:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-21 08:25:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-21 08:25:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-21 08:25:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-21 08:25:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-21 08:25:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-21 08:25:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-21 08:25:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-21 08:25:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-21 08:25:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 08:25:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 08:25:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 08:25:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 08:25:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 08:25:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 08:25:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-21 08:25:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-21 08:25:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-21 08:25:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-21 08:25:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 08:25:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 08:25:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-21 08:25:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-21 08:25:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-21 08:25:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-21 08:25:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-21 08:25:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-21 08:25:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-21 08:25:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-21 08:25:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-21 08:25:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-21 08:25:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-21 08:25:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-21 08:25:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 08:25:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 08:25:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-21 08:25:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-21 08:25:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 08:25:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 08:25:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-21 08:25:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-21 08:25:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-21 08:25:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-21 08:25:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 08:25:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 08:25:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-21 08:25:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-21 08:25:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-21 08:25:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-21 08:25:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-21 08:25:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-21 08:25:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-21 08:25:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-21 08:25:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-21 08:25:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 08:25:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-21 08:25:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-21 08:25:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-21 08:25:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-21 08:25:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-21 08:25:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-21 08:25:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-21 08:25:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-21 08:25:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-21 08:25:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-21 08:25:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-21 08:25:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-21 08:25:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-21 08:25:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-21 08:25:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-21 08:25:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-21 08:25:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-21 08:25:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-21 08:25:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-21 08:25:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-21 08:25:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-21 08:25:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-21 08:25:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 08:25:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 08:25:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-21 08:25:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-21 08:25:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 08:25:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 08:25:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-21 08:25:10,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-21 08:25:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-21 08:25:10,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-21 08:25:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 08:25:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-21 08:25:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-21 08:25:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-21 08:25:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-21 08:25:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 08:25:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 08:25:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 08:25:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 08:25:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-21 08:25:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-21 08:25:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-21 08:25:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-21 08:25:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-21 08:25:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-21 08:25:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 08:25:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-21 08:25:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-21 08:25:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 08:25:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 08:25:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 08:25:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-21 08:25:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-21 08:25:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-21 08:25:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-21 08:25:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 08:25:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 08:25:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-21 08:25:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-21 08:25:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-21 08:25:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-21 08:25:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-21 08:25:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-21 08:25:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 08:25:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 08:25:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-21 08:25:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-21 08:25:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-21 08:25:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-21 08:25:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-21 08:25:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-21 08:25:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-21 08:25:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-21 08:25:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-21 08:25:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-21 08:25:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-21 08:25:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-21 08:25:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-21 08:25:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-21 08:25:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 08:25:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 08:25:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-21 08:25:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-21 08:25:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-21 08:25:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-21 08:25:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-21 08:25:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-21 08:25:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-21 08:25:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 08:25:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-21 08:25:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-21 08:25:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-21 08:25:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-21 08:25:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-21 08:25:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-21 08:25:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 08:25:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-21 08:25:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-21 08:25:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-21 08:25:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-21 08:25:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 08:25:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 08:25:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 08:25:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 08:25:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-21 08:25:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-21 08:25:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-21 08:25:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-21 08:25:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 08:25:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 08:25:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-21 08:25:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-21 08:25:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 08:25:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 08:25:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-21 08:25:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-21 08:25:10,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 08:25:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 08:25:10,787 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-21 08:25:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-21 08:25:10,787 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-21 08:25:10,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-21 08:25:10,788 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-21 08:25:10,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-21 08:25:10,788 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-21 08:25:10,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-21 08:25:10,788 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-21 08:25:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-21 08:25:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-21 08:25:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-21 08:25:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 08:25:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 08:25:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-21 08:25:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-21 08:25:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-21 08:25:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-21 08:25:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-21 08:25:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-21 08:25:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-21 08:25:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-21 08:25:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-21 08:25:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-21 08:25:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-21 08:25:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-21 08:25:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 08:25:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 08:25:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 08:25:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 08:25:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-21 08:25:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-21 08:25:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 08:25:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 08:25:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-21 08:25:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-21 08:25:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-21 08:25:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-21 08:25:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-21 08:25:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-21 08:25:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-21 08:25:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-21 08:25:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 08:25:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 08:25:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-21 08:25:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-21 08:25:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 08:25:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 08:25:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 08:25:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 08:25:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-21 08:25:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-21 08:25:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-21 08:25:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-21 08:25:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 08:25:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 08:25:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-21 08:25:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-21 08:25:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-21 08:25:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-21 08:25:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-21 08:25:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-21 08:25:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 08:25:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 08:25:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-21 08:25:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-21 08:25:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 08:25:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-21 08:25:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-21 08:25:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-21 08:25:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-21 08:25:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-21 08:25:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-21 08:25:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-21 08:25:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-21 08:25:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-21 08:25:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-21 08:25:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-21 08:25:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-21 08:25:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-21 08:25:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-21 08:25:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 08:25:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 08:25:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-11-21 08:25:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-11-21 08:25:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 08:25:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 08:25:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-21 08:25:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-21 08:25:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-21 08:25:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-21 08:25:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-21 08:25:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-21 08:25:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-21 08:25:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-21 08:25:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-21 08:25:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-21 08:25:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 08:25:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 08:25:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 08:25:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 08:25:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-21 08:25:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-21 08:25:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-21 08:25:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-21 08:25:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 08:25:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 08:25:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-21 08:25:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-21 08:25:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-21 08:25:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-21 08:25:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-21 08:25:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-21 08:25:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-21 08:25:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-21 08:25:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-21 08:25:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-21 08:25:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-21 08:25:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-21 08:25:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-21 08:25:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-21 08:25:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-21 08:25:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-21 08:25:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-21 08:25:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-21 08:25:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 08:25:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 08:25:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 08:25:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-21 08:25:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-21 08:25:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-21 08:25:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-21 08:25:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-21 08:25:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-21 08:25:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 08:25:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 08:25:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-21 08:25:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-21 08:25:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-21 08:25:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-21 08:25:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 08:25:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-21 08:25:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-21 08:25:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-21 08:25:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-21 08:25:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-21 08:25:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-21 08:25:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 08:25:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 08:25:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-21 08:25:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-21 08:25:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-21 08:25:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-21 08:25:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 08:25:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-21 08:25:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-21 08:25:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-21 08:25:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-21 08:25:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-21 08:25:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-21 08:25:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-21 08:25:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-21 08:25:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 08:25:10,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 08:25:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 08:25:10,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 08:25:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-21 08:25:10,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-21 08:25:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-21 08:25:10,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-21 08:25:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 08:25:10,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 08:25:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-21 08:25:10,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-21 08:25:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-21 08:25:10,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-21 08:25:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-21 08:25:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-21 08:25:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-21 08:25:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-21 08:25:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-21 08:25:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-21 08:25:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 08:25:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 08:25:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-21 08:25:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-21 08:25:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-21 08:25:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-21 08:25:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-21 08:25:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-21 08:25:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-21 08:25:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-21 08:25:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-21 08:25:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-21 08:25:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 08:25:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 08:25:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-21 08:25:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-21 08:25:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-21 08:25:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-21 08:25:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 08:25:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 08:25:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-21 08:25:10,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-21 08:25:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-21 08:25:10,826 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-21 08:25:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 08:25:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-21 08:25:10,826 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-21 08:25:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-21 08:25:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-21 08:25:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 08:25:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 08:25:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-21 08:25:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-21 08:25:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-21 08:25:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-21 08:25:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-21 08:25:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-21 08:25:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 08:25:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 08:25:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-21 08:25:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-21 08:25:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-21 08:25:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-21 08:25:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-21 08:25:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-21 08:25:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 08:25:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 08:25:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-21 08:25:10,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-21 08:25:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-21 08:25:10,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-21 08:25:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-21 08:25:10,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-21 08:25:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-21 08:25:10,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-21 08:25:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-21 08:25:10,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-21 08:25:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-21 08:25:10,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-21 08:25:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-21 08:25:10,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-21 08:25:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-21 08:25:10,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-21 08:25:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-21 08:25:10,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-21 08:25:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-21 08:25:10,832 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-21 08:25:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-21 08:25:10,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-21 08:25:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-21 08:25:10,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-21 08:25:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-21 08:25:10,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-21 08:25:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-21 08:25:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-21 08:25:10,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 08:25:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 08:25:10,834 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-21 08:25:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-21 08:25:10,834 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-21 08:25:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-21 08:25:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-21 08:25:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-21 08:25:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-21 08:25:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-21 08:25:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-21 08:25:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-21 08:25:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-21 08:25:10,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-21 08:25:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 08:25:10,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 08:25:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 08:25:10,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 08:25:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 08:25:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-21 08:25:10,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-21 08:25:10,837 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-21 08:25:10,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-21 08:25:10,837 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-21 08:25:10,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-21 08:25:10,837 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-21 08:25:10,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-21 08:25:10,838 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-21 08:25:10,838 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-21 08:25:10,838 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-21 08:25:10,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-21 08:25:12,479 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 08:25:12,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 08:25:12,642 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 08:25:35,357 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 08:25:35,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 08:25:35,390 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 08:25:35,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:25:35 BoogieIcfgContainer [2022-11-21 08:25:35,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 08:25:35,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 08:25:35,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 08:25:35,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 08:25:35,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:25:01" (1/3) ... [2022-11-21 08:25:35,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2483ba78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:25:35, skipping insertion in model container [2022-11-21 08:25:35,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:25:09" (2/3) ... [2022-11-21 08:25:35,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2483ba78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:25:35, skipping insertion in model container [2022-11-21 08:25:35,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:25:35" (3/3) ... [2022-11-21 08:25:35,406 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 [2022-11-21 08:25:35,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 08:25:35,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 08:25:35,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 08:25:35,590 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;@56d66099, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 08:25:35,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 08:25:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 4885 states, 3441 states have (on average 1.3714036617262424) internal successors, (4719), 3516 states have internal predecessors, (4719), 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) [2022-11-21 08:25:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-21 08:25:35,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:25:35,654 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] [2022-11-21 08:25:35,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:25:35,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:25:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1163180977, now seen corresponding path program 1 times [2022-11-21 08:25:35,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:25:35,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815883034] [2022-11-21 08:25:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:25:35,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:25:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:25:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:25:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:25:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:25:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:25:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:25:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:25:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:25:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:25:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 08:25:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 08:25:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:25:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:25:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:25:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 08:25:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:25:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 08:25:37,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:25:37,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815883034] [2022-11-21 08:25:37,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815883034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:25:37,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:25:37,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 08:25:37,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101942122] [2022-11-21 08:25:37,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:25:37,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 08:25:37,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:25:37,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 08:25:37,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 08:25:37,759 INFO L87 Difference]: Start difference. First operand has 4885 states, 3441 states have (on average 1.3714036617262424) internal successors, (4719), 3516 states have internal predecessors, (4719), 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) [2022-11-21 08:26:06,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:08,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:10,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:12,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:14,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:16,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:18,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:20,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:22,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:24,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:26,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:28,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:30,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:31,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:33,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:34,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:35,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:37,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:39,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:43,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:45,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:47,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:49,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:51,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:53,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:26:54,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:12,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:27:12,624 INFO L93 Difference]: Finished difference Result 15950 states and 23971 transitions. [2022-11-21 08:27:12,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 08:27:12,629 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 [2022-11-21 08:27:12,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:27:12,731 INFO L225 Difference]: With dead ends: 15950 [2022-11-21 08:27:12,732 INFO L226 Difference]: Without dead ends: 11011 [2022-11-21 08:27:12,765 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 [2022-11-21 08:27:12,768 INFO L413 NwaCegarLoop]: 6256 mSDtfsCounter, 10221 mSDsluCounter, 12455 mSDsCounter, 0 mSdLazyCounter, 14862 mSolverCounterSat, 3895 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11291 SdHoareTripleChecker+Valid, 18711 SdHoareTripleChecker+Invalid, 18775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3895 IncrementalHoareTripleChecker+Valid, 14862 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.2s IncrementalHoareTripleChecker+Time [2022-11-21 08:27:12,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11291 Valid, 18711 Invalid, 18775 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3895 Valid, 14862 Invalid, 18 Unknown, 0 Unchecked, 93.2s Time] [2022-11-21 08:27:12,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11011 states. [2022-11-21 08:27:13,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11011 to 9369. [2022-11-21 08:27:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9369 states, 6607 states have (on average 1.3659754805509308) internal successors, (9025), 6736 states have internal predecessors, (9025), 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) [2022-11-21 08:27:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9369 states to 9369 states and 13629 transitions. [2022-11-21 08:27:13,570 INFO L78 Accepts]: Start accepts. Automaton has 9369 states and 13629 transitions. Word has length 136 [2022-11-21 08:27:13,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:27:13,571 INFO L495 AbstractCegarLoop]: Abstraction has 9369 states and 13629 transitions. [2022-11-21 08:27:13,572 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) [2022-11-21 08:27:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 9369 states and 13629 transitions. [2022-11-21 08:27:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-21 08:27:13,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:27:13,593 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] [2022-11-21 08:27:13,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 08:27:13,593 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:27:13,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:27:13,594 INFO L85 PathProgramCache]: Analyzing trace with hash -931544188, now seen corresponding path program 1 times [2022-11-21 08:27:13,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:27:13,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014750024] [2022-11-21 08:27:13,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:27:13,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:27:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:27:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:27:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:27:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:27:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:27:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:27:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:27:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:27:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:27:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 08:27:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 08:27:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 08:27:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:27:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 08:27:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 08:27:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:27:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:27:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:27:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 08:27:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:27:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-21 08:27:14,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:27:14,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014750024] [2022-11-21 08:27:14,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014750024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:27:14,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:27:14,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 08:27:14,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978014912] [2022-11-21 08:27:14,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:27:14,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 08:27:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:27:14,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 08:27:14,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 08:27:14,686 INFO L87 Difference]: Start difference. First operand 9369 states and 13629 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) [2022-11-21 08:27:39,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:41,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:43,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:45,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:47,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:49,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:51,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:52,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:27:54,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:11,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:28:11,500 INFO L93 Difference]: Finished difference Result 31049 states and 46264 transitions. [2022-11-21 08:28:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 08:28:11,511 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 [2022-11-21 08:28:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:28:11,667 INFO L225 Difference]: With dead ends: 31049 [2022-11-21 08:28:11,667 INFO L226 Difference]: Without dead ends: 21701 [2022-11-21 08:28:11,725 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 [2022-11-21 08:28:11,726 INFO L413 NwaCegarLoop]: 6071 mSDtfsCounter, 17216 mSDsluCounter, 9916 mSDsCounter, 0 mSdLazyCounter, 11164 mSolverCounterSat, 10679 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18307 SdHoareTripleChecker+Valid, 15987 SdHoareTripleChecker+Invalid, 21851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10679 IncrementalHoareTripleChecker+Valid, 11164 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2022-11-21 08:28:11,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18307 Valid, 15987 Invalid, 21851 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10679 Valid, 11164 Invalid, 8 Unknown, 0 Unchecked, 55.1s Time] [2022-11-21 08:28:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21701 states. [2022-11-21 08:28:12,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21701 to 18451. [2022-11-21 08:28:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18451 states, 13033 states have (on average 1.3661474718023479) internal successors, (17805), 13288 states have internal predecessors, (17805), 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) [2022-11-21 08:28:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18451 states to 18451 states and 26821 transitions. [2022-11-21 08:28:12,981 INFO L78 Accepts]: Start accepts. Automaton has 18451 states and 26821 transitions. Word has length 150 [2022-11-21 08:28:12,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:28:12,983 INFO L495 AbstractCegarLoop]: Abstraction has 18451 states and 26821 transitions. [2022-11-21 08:28:12,983 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) [2022-11-21 08:28:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 18451 states and 26821 transitions. [2022-11-21 08:28:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-21 08:28:12,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:28:12,999 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] [2022-11-21 08:28:12,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 08:28:13,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:28:13,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:28:13,000 INFO L85 PathProgramCache]: Analyzing trace with hash 257742083, now seen corresponding path program 1 times [2022-11-21 08:28:13,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:28:13,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510775126] [2022-11-21 08:28:13,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:28:13,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:28:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:28:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:28:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:28:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:28:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:28:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:28:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:28:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:28:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:28:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 08:28:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 08:28:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 08:28:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 08:28:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 08:28:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 08:28:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 08:28:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 08:28:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 08:28:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 08:28:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 08:28:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:28:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 08:28:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:28:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 08:28:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 08:28:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 08:28:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 08:28:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 08:28:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:28:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-21 08:28:14,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:28:14,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510775126] [2022-11-21 08:28:14,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510775126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:28:14,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:28:14,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 08:28:14,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902100007] [2022-11-21 08:28:14,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:28:14,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 08:28:14,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:28:14,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 08:28:14,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 08:28:14,100 INFO L87 Difference]: Start difference. First operand 18451 states and 26821 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) [2022-11-21 08:28:41,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:43,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:46,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:48,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:50,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:51,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:54,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:28:56,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:29:14,997 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 [] [2022-11-21 08:29:15,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:29:15,706 INFO L93 Difference]: Finished difference Result 64108 states and 96508 transitions. [2022-11-21 08:29:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 08:29:15,706 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 [2022-11-21 08:29:15,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:29:15,970 INFO L225 Difference]: With dead ends: 64108 [2022-11-21 08:29:15,970 INFO L226 Difference]: Without dead ends: 45678 [2022-11-21 08:29:16,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 08:29:16,078 INFO L413 NwaCegarLoop]: 6061 mSDtfsCounter, 18721 mSDsluCounter, 10726 mSDsCounter, 0 mSdLazyCounter, 14161 mSolverCounterSat, 12397 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19760 SdHoareTripleChecker+Valid, 16787 SdHoareTripleChecker+Invalid, 26563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12397 IncrementalHoareTripleChecker+Valid, 14161 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.6s IncrementalHoareTripleChecker+Time [2022-11-21 08:29:16,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19760 Valid, 16787 Invalid, 26563 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12397 Valid, 14161 Invalid, 5 Unknown, 0 Unchecked, 58.6s Time] [2022-11-21 08:29:16,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45678 states. [2022-11-21 08:29:18,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45678 to 35548. [2022-11-21 08:29:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35548 states, 25161 states have (on average 1.3691427208775486) internal successors, (34449), 25673 states have internal predecessors, (34449), 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) [2022-11-21 08:29:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35548 states to 35548 states and 52060 transitions. [2022-11-21 08:29:18,696 INFO L78 Accepts]: Start accepts. Automaton has 35548 states and 52060 transitions. Word has length 192 [2022-11-21 08:29:18,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:29:18,697 INFO L495 AbstractCegarLoop]: Abstraction has 35548 states and 52060 transitions. [2022-11-21 08:29:18,697 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) [2022-11-21 08:29:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 35548 states and 52060 transitions. [2022-11-21 08:29:18,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-21 08:29:18,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:29:18,724 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] [2022-11-21 08:29:18,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 08:29:18,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:29:18,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:29:18,725 INFO L85 PathProgramCache]: Analyzing trace with hash -73156025, now seen corresponding path program 1 times [2022-11-21 08:29:18,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:29:18,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77893159] [2022-11-21 08:29:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:29:18,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:29:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:29:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:29:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:29:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:29:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:29:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:29:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:29:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:29:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:29:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 08:29:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 08:29:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 08:29:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 08:29:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 08:29:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 08:29:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 08:29:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 08:29:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 08:29:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 08:29:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-21 08:29:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 08:29:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 08:29:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:29:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 08:29:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 08:29:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:29:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 08:29:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 08:29:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:29:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 08:29:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:29:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 08:29:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:29:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 08:29:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 08:29:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:29:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:29:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:29:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-21 08:29:19,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:29:19,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77893159] [2022-11-21 08:29:19,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77893159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:29:19,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:29:19,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 08:29:19,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402288591] [2022-11-21 08:29:19,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:29:19,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 08:29:19,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:29:19,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 08:29:19,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 08:29:19,857 INFO L87 Difference]: Start difference. First operand 35548 states and 52060 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) [2022-11-21 08:29:47,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:29:49,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:29:51,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:29:53,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:29:56,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:29:57,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:29:59,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:30:01,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:30:03,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:30:05,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:30:07,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:30:09,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:30:12,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:30:27,798 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 [] [2022-11-21 08:30:28,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:30:28,567 INFO L93 Difference]: Finished difference Result 101353 states and 150008 transitions. [2022-11-21 08:30:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 08:30:28,567 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 [2022-11-21 08:30:28,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:30:29,099 INFO L225 Difference]: With dead ends: 101353 [2022-11-21 08:30:29,107 INFO L226 Difference]: Without dead ends: 65826 [2022-11-21 08:30:29,284 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 [2022-11-21 08:30:29,287 INFO L413 NwaCegarLoop]: 7561 mSDtfsCounter, 9278 mSDsluCounter, 11570 mSDsCounter, 0 mSdLazyCounter, 12590 mSolverCounterSat, 5109 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10132 SdHoareTripleChecker+Valid, 19131 SdHoareTripleChecker+Invalid, 17708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 12590 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.3s IncrementalHoareTripleChecker+Time [2022-11-21 08:30:29,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10132 Valid, 19131 Invalid, 17708 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5109 Valid, 12590 Invalid, 9 Unknown, 0 Unchecked, 65.3s Time] [2022-11-21 08:30:29,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65826 states. [2022-11-21 08:30:32,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65826 to 57512. [2022-11-21 08:30:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57512 states, 40869 states have (on average 1.364236952213169) internal successors, (55755), 41704 states have internal predecessors, (55755), 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) [2022-11-21 08:30:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57512 states to 57512 states and 83583 transitions. [2022-11-21 08:30:32,438 INFO L78 Accepts]: Start accepts. Automaton has 57512 states and 83583 transitions. Word has length 244 [2022-11-21 08:30:32,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:30:32,439 INFO L495 AbstractCegarLoop]: Abstraction has 57512 states and 83583 transitions. [2022-11-21 08:30:32,439 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) [2022-11-21 08:30:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 57512 states and 83583 transitions. [2022-11-21 08:30:32,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-21 08:30:32,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:30:32,473 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] [2022-11-21 08:30:32,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 08:30:32,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:30:32,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:30:32,474 INFO L85 PathProgramCache]: Analyzing trace with hash 291837695, now seen corresponding path program 1 times [2022-11-21 08:30:32,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:30:32,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011278598] [2022-11-21 08:30:32,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:30:32,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:30:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:30:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:30:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:30:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:30:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:30:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:30:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:30:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:30:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:30:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 08:30:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 08:30:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 08:30:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 08:30:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 08:30:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 08:30:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 08:30:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 08:30:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 08:30:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 08:30:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-21 08:30:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:30:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 08:30:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 08:30:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:30:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:30:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:30:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 08:30:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:30:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-11-21 08:30:34,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:30:34,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011278598] [2022-11-21 08:30:34,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011278598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:30:34,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:30:34,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 08:30:34,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46300951] [2022-11-21 08:30:34,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:30:34,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 08:30:34,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:30:34,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 08:30:34,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 08:30:34,146 INFO L87 Difference]: Start difference. First operand 57512 states and 83583 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) [2022-11-21 08:31:06,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:08,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:10,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:12,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:14,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:16,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:18,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:19,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:21,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:28,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:30,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:31,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:31:44,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:31:44,536 INFO L93 Difference]: Finished difference Result 155893 states and 229995 transitions. [2022-11-21 08:31:44,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 08:31:44,536 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 [2022-11-21 08:31:44,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:31:45,304 INFO L225 Difference]: With dead ends: 155893 [2022-11-21 08:31:45,304 INFO L226 Difference]: Without dead ends: 98413 [2022-11-21 08:31:45,504 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 [2022-11-21 08:31:45,505 INFO L413 NwaCegarLoop]: 9426 mSDtfsCounter, 11125 mSDsluCounter, 13930 mSDsCounter, 0 mSdLazyCounter, 14687 mSolverCounterSat, 5478 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12239 SdHoareTripleChecker+Valid, 23356 SdHoareTripleChecker+Invalid, 20174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5478 IncrementalHoareTripleChecker+Valid, 14687 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.8s IncrementalHoareTripleChecker+Time [2022-11-21 08:31:45,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12239 Valid, 23356 Invalid, 20174 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5478 Valid, 14687 Invalid, 9 Unknown, 0 Unchecked, 64.8s Time] [2022-11-21 08:31:45,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98413 states. [2022-11-21 08:31:48,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98413 to 85641. [2022-11-21 08:31:49,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85641 states, 60836 states have (on average 1.363288184627523) internal successors, (82937), 62064 states have internal predecessors, (82937), 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) [2022-11-21 08:31:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85641 states to 85641 states and 124288 transitions. [2022-11-21 08:31:49,880 INFO L78 Accepts]: Start accepts. Automaton has 85641 states and 124288 transitions. Word has length 219 [2022-11-21 08:31:49,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:31:49,882 INFO L495 AbstractCegarLoop]: Abstraction has 85641 states and 124288 transitions. [2022-11-21 08:31:49,883 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) [2022-11-21 08:31:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 85641 states and 124288 transitions. [2022-11-21 08:31:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-21 08:31:49,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:31:49,937 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] [2022-11-21 08:31:49,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 08:31:49,938 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:31:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:31:49,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1930980289, now seen corresponding path program 1 times [2022-11-21 08:31:49,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:31:49,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931287831] [2022-11-21 08:31:49,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:31:49,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:31:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:31:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:31:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:31:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:31:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:31:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:31:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:31:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:31:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:31:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 08:31:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 08:31:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 08:31:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 08:31:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 08:31:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 08:31:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 08:31:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 08:31:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 08:31:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 08:31:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 08:31:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:31:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 08:31:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 08:31:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:31:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:31:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:31:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 08:31:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:31:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-21 08:31:51,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:31:51,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931287831] [2022-11-21 08:31:51,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931287831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:31:51,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:31:51,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 08:31:51,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80521085] [2022-11-21 08:31:51,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:31:51,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 08:31:51,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:31:51,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 08:31:51,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 08:31:51,516 INFO L87 Difference]: Start difference. First operand 85641 states and 124288 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) [2022-11-21 08:32:22,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:24,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:26,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:28,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:30,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:32,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:33,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:35,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:36,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:38,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:39,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:47,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:49,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:51,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:53,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:55,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:57,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:32:59,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:33:00,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:33:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:33:15,388 INFO L93 Difference]: Finished difference Result 216587 states and 319041 transitions. [2022-11-21 08:33:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 08:33:15,388 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 [2022-11-21 08:33:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:33:16,111 INFO L225 Difference]: With dead ends: 216587 [2022-11-21 08:33:16,112 INFO L226 Difference]: Without dead ends: 130978 [2022-11-21 08:33:16,508 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 [2022-11-21 08:33:16,509 INFO L413 NwaCegarLoop]: 10352 mSDtfsCounter, 12041 mSDsluCounter, 14535 mSDsCounter, 0 mSdLazyCounter, 15155 mSolverCounterSat, 7018 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13144 SdHoareTripleChecker+Valid, 24887 SdHoareTripleChecker+Invalid, 22184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7018 IncrementalHoareTripleChecker+Valid, 15155 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.8s IncrementalHoareTripleChecker+Time [2022-11-21 08:33:16,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13144 Valid, 24887 Invalid, 22184 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7018 Valid, 15155 Invalid, 11 Unknown, 0 Unchecked, 76.8s Time] [2022-11-21 08:33:16,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130978 states. [2022-11-21 08:33:21,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130978 to 113794. [2022-11-21 08:33:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113794 states, 80819 states have (on average 1.362736485232433) internal successors, (110135), 82440 states have internal predecessors, (110135), 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) [2022-11-21 08:33:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113794 states to 113794 states and 165009 transitions. [2022-11-21 08:33:22,547 INFO L78 Accepts]: Start accepts. Automaton has 113794 states and 165009 transitions. Word has length 235 [2022-11-21 08:33:22,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:33:22,548 INFO L495 AbstractCegarLoop]: Abstraction has 113794 states and 165009 transitions. [2022-11-21 08:33:22,549 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) [2022-11-21 08:33:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 113794 states and 165009 transitions. [2022-11-21 08:33:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-21 08:33:22,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:33:22,639 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] [2022-11-21 08:33:22,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 08:33:22,639 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:33:22,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:33:22,640 INFO L85 PathProgramCache]: Analyzing trace with hash -217164148, now seen corresponding path program 1 times [2022-11-21 08:33:22,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:33:22,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860538743] [2022-11-21 08:33:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:33:22,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:33:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:33:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:33:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:33:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:33:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:23,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:33:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:33:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:23,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:33:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:33:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:33:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 08:33:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 08:33:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 08:33:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 08:33:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 08:33:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 08:33:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 08:33:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 08:33:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 08:33:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 08:33:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 08:33:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:33:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-21 08:33:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-21 08:33:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:33:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:33:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:33:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-21 08:33:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:33:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-21 08:33:24,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:33:24,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860538743] [2022-11-21 08:33:24,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860538743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:33:24,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:33:24,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 08:33:24,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971238494] [2022-11-21 08:33:24,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:33:24,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 08:33:24,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:33:24,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 08:33:24,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 08:33:24,352 INFO L87 Difference]: Start difference. First operand 113794 states and 165009 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) [2022-11-21 08:33:52,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:33:54,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:33:56,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:33:58,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:00,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:02,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:04,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:06,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:08,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:10,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:13,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:14,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:16,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:18,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:20,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:21,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:24,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:43,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:34:46,686 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 [] [2022-11-21 08:34:47,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:34:47,568 INFO L93 Difference]: Finished difference Result 244946 states and 362342 transitions. [2022-11-21 08:34:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 08:34:47,568 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 [2022-11-21 08:34:47,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:34:48,555 INFO L225 Difference]: With dead ends: 244946 [2022-11-21 08:34:48,556 INFO L226 Difference]: Without dead ends: 131184 [2022-11-21 08:34:49,203 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 [2022-11-21 08:34:49,203 INFO L413 NwaCegarLoop]: 5196 mSDtfsCounter, 2209 mSDsluCounter, 21087 mSDsCounter, 0 mSdLazyCounter, 16846 mSolverCounterSat, 1283 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 26283 SdHoareTripleChecker+Invalid, 18141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1283 IncrementalHoareTripleChecker+Valid, 16846 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.9s IncrementalHoareTripleChecker+Time [2022-11-21 08:34:49,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2644 Valid, 26283 Invalid, 18141 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1283 Valid, 16846 Invalid, 12 Unknown, 0 Unchecked, 75.9s Time] [2022-11-21 08:34:49,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131184 states. [2022-11-21 08:34:54,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131184 to 113922. [2022-11-21 08:34:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113922 states, 80915 states have (on average 1.3623061237100662) internal successors, (110231), 82536 states have internal predecessors, (110231), 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) [2022-11-21 08:34:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113922 states to 113922 states and 165594 transitions. [2022-11-21 08:34:55,182 INFO L78 Accepts]: Start accepts. Automaton has 113922 states and 165594 transitions. Word has length 249 [2022-11-21 08:34:55,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:34:55,183 INFO L495 AbstractCegarLoop]: Abstraction has 113922 states and 165594 transitions. [2022-11-21 08:34:55,183 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) [2022-11-21 08:34:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 113922 states and 165594 transitions. [2022-11-21 08:34:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-21 08:34:55,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 08:34:55,268 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] [2022-11-21 08:34:55,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 08:34:55,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 08:34:55,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 08:34:55,269 INFO L85 PathProgramCache]: Analyzing trace with hash 124396902, now seen corresponding path program 1 times [2022-11-21 08:34:55,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 08:34:55,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734779318] [2022-11-21 08:34:55,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 08:34:55,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 08:34:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 08:34:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 08:34:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 08:34:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 08:34:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 08:34:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 08:34:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 08:34:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 08:34:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 08:34:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 08:34:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 08:34:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 08:34:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 08:34:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 08:34:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 08:34:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 08:34:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 08:34:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 08:34:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 08:34:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 08:34:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:34:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-21 08:34:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-21 08:34:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:34:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:34:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 08:34:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 08:34:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-21 08:34:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 08:34:57,690 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-21 08:34:57,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 08:34:57,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734779318] [2022-11-21 08:34:57,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734779318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 08:34:57,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 08:34:57,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 08:34:57,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386987048] [2022-11-21 08:34:57,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 08:34:57,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 08:34:57,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 08:34:57,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 08:34:57,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 08:34:57,694 INFO L87 Difference]: Start difference. First operand 113922 states and 165594 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) [2022-11-21 08:35:18,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:20,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:22,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:24,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:26,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:28,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:30,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:32,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:34,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:36,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:37,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:39,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:41,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:43,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:45,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 08:35:58,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 08:35:58,663 INFO L93 Difference]: Finished difference Result 132702 states and 197186 transitions. [2022-11-21 08:35:58,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 08:35:58,664 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 [2022-11-21 08:35:58,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 08:35:58,674 INFO L225 Difference]: With dead ends: 132702 [2022-11-21 08:35:58,674 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 08:35:59,291 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 [2022-11-21 08:35:59,291 INFO L413 NwaCegarLoop]: 5235 mSDtfsCounter, 11982 mSDsluCounter, 5103 mSDsCounter, 0 mSdLazyCounter, 6349 mSolverCounterSat, 6279 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12669 SdHoareTripleChecker+Valid, 10338 SdHoareTripleChecker+Invalid, 12640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6279 IncrementalHoareTripleChecker+Valid, 6349 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.5s IncrementalHoareTripleChecker+Time [2022-11-21 08:35:59,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12669 Valid, 10338 Invalid, 12640 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6279 Valid, 6349 Invalid, 12 Unknown, 0 Unchecked, 54.5s Time] [2022-11-21 08:35:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 08:35:59,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 08:35:59,292 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) [2022-11-21 08:35:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 08:35:59,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 255 [2022-11-21 08:35:59,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 08:35:59,311 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 08:35:59,311 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) [2022-11-21 08:35:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 08:35:59,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 08:35:59,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 08:35:59,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 08:35:59,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.