./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:08:58,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:08:58,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:08:58,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:08:58,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:08:58,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:08:58,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:08:58,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:08:58,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:08:58,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:08:58,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:08:58,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:08:58,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:08:58,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:08:58,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:08:58,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:08:58,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:08:58,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:08:58,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:08:58,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:08:58,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:08:58,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:08:58,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:08:58,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:08:58,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:08:58,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:08:58,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:08:58,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:08:58,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:08:58,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:08:58,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:08:58,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:08:58,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:08:58,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:08:58,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:08:58,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:08:58,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:08:58,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:08:58,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:08:58,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:08:58,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:08:58,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:08:58,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:08:58,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:08:58,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:08:58,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:08:58,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:08:58,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:08:58,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:08:58,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:08:58,385 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:08:58,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:08:58,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:08:58,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:08:58,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:08:58,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:08:58,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:08:58,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:08:58,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:08:58,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:08:58,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:08:58,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:08:58,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:08:58,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:08:58,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:08:58,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:08:58,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:08:58,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:08:58,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:08:58,391 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:08:58,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:08:58,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:08:58,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:08:58,392 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_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2021-11-20 06:08:58,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:08:58,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:08:58,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:08:58,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:08:58,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:08:58,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-11-20 06:08:58,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/data/9ec2879fe/65183e592f6b43ad9078b6ba8c38e603/FLAG28ef8706f [2021-11-20 06:09:00,249 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:09:00,249 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-11-20 06:09:00,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/data/9ec2879fe/65183e592f6b43ad9078b6ba8c38e603/FLAG28ef8706f [2021-11-20 06:09:00,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/data/9ec2879fe/65183e592f6b43ad9078b6ba8c38e603 [2021-11-20 06:09:00,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:09:00,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:09:00,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:09:00,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:09:00,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:09:00,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:00" (1/1) ... [2021-11-20 06:09:00,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e60baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:00, skipping insertion in model container [2021-11-20 06:09:00,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:09:00" (1/1) ... [2021-11-20 06:09:00,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:09:00,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:09:01,497 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-11-20 06:09:01,501 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2021-11-20 06:09:01,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2021-11-20 06:09:05,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:09:05,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:09:05,715 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-11-20 06:09:05,717 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2021-11-20 06:09:05,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2021-11-20 06:09:06,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:09:06,552 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:09:06,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06 WrapperNode [2021-11-20 06:09:06,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:09:06,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:09:06,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:09:06,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:09:06,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:06,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,293 INFO L137 Inliner]: procedures = 437, calls = 4987, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 9577 [2021-11-20 06:09:07,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:09:07,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:09:07,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:09:07,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:09:07,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:09:07,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:09:07,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:09:07,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:09:07,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (1/1) ... [2021-11-20 06:09:07,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:09:07,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:09:07,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:09:07,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:09:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-11-20 06:09:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-11-20 06:09:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 06:09:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 06:09:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 06:09:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 06:09:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 06:09:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 06:09:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-11-20 06:09:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-11-20 06:09:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 06:09:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 06:09:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-11-20 06:09:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-11-20 06:09:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:09:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:09:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 06:09:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 06:09:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 06:09:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 06:09:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 06:09:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 06:09:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 06:09:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 06:09:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-20 06:09:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-20 06:09:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 06:09:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 06:09:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 06:09:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 06:09:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-20 06:09:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-20 06:09:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:09:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:09:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-20 06:09:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-20 06:09:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 06:09:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 06:09:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-11-20 06:09:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-11-20 06:09:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 06:09:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 06:09:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 06:09:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 06:09:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 06:09:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 06:09:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:09:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:09:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 06:09:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 06:09:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:09:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-11-20 06:09:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-11-20 06:09:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-20 06:09:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-20 06:09:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-11-20 06:09:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-11-20 06:09:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 06:09:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 06:09:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:09:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:09:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-11-20 06:09:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-11-20 06:09:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-11-20 06:09:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-11-20 06:09:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:09:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-11-20 06:09:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-11-20 06:09:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:09:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:09:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:09:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:09:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:09:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-20 06:09:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-20 06:09:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:09:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-20 06:09:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-20 06:09:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 06:09:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 06:09:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:09:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:09:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-20 06:09:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-20 06:09:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 06:09:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 06:09:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-20 06:09:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-20 06:09:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 06:09:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 06:09:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-11-20 06:09:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-11-20 06:09:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 06:09:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 06:09:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-11-20 06:09:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-11-20 06:09:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:09:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-20 06:09:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-20 06:09:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2021-11-20 06:09:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2021-11-20 06:09:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:09:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 06:09:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 06:09:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:09:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-11-20 06:09:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-11-20 06:09:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-20 06:09:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-20 06:09:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-20 06:09:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-20 06:09:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-11-20 06:09:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-11-20 06:09:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 06:09:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 06:09:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 06:09:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 06:09:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:09:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:09:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-20 06:09:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-20 06:09:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:09:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:09:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:09:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:09:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:09:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:09:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:09:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:09:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 06:09:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 06:09:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 06:09:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 06:09:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 06:09:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 06:09:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-11-20 06:09:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-11-20 06:09:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 06:09:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 06:09:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-20 06:09:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-20 06:09:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 06:09:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 06:09:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-11-20 06:09:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-11-20 06:09:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:09:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:09:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-11-20 06:09:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-11-20 06:09:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-20 06:09:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-20 06:09:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-20 06:09:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-20 06:09:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:09:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:09:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-20 06:09:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-20 06:09:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:09:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:09:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 06:09:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 06:09:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 06:09:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 06:09:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 06:09:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 06:09:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2021-11-20 06:09:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2021-11-20 06:09:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 06:09:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 06:09:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:09:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-11-20 06:09:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-11-20 06:09:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 06:09:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 06:09:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:09:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 06:09:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 06:09:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-20 06:09:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-20 06:09:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-20 06:09:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-20 06:09:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-11-20 06:09:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-11-20 06:09:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:09:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-11-20 06:09:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-11-20 06:09:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-11-20 06:09:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-11-20 06:09:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-11-20 06:09:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-11-20 06:09:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:09:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:09:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-11-20 06:09:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-11-20 06:09:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 06:09:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 06:09:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-20 06:09:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-20 06:09:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-11-20 06:09:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-11-20 06:09:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2021-11-20 06:09:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2021-11-20 06:09:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 06:09:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 06:09:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 06:09:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 06:09:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:09:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:09:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:09:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:09:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:09:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-11-20 06:09:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-11-20 06:09:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-11-20 06:09:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-11-20 06:09:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:09:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:09:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-20 06:09:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-20 06:09:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-11-20 06:09:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-11-20 06:09:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 06:09:08,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 06:09:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 06:09:08,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 06:09:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-20 06:09:08,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-20 06:09:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-20 06:09:08,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-20 06:09:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 06:09:08,066 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 06:09:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 06:09:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 06:09:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 06:09:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 06:09:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-11-20 06:09:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-11-20 06:09:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 06:09:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 06:09:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-11-20 06:09:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-11-20 06:09:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-11-20 06:09:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-11-20 06:09:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:09:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:09:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:09:09,402 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:09:09,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:09:10,636 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:09:21,077 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:09:21,138 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:09:21,138 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:09:21,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:21 BoogieIcfgContainer [2021-11-20 06:09:21,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:09:21,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:09:21,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:09:21,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:09:21,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:09:00" (1/3) ... [2021-11-20 06:09:21,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad5cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:09:21, skipping insertion in model container [2021-11-20 06:09:21,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:09:06" (2/3) ... [2021-11-20 06:09:21,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad5cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:09:21, skipping insertion in model container [2021-11-20 06:09:21,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:09:21" (3/3) ... [2021-11-20 06:09:21,171 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-11-20 06:09:21,179 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:09:21,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:09:21,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:09:21,275 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:09:21,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:09:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 2993 states, 2097 states have (on average 1.3938960419647115) internal successors, (2923), 2191 states have internal predecessors, (2923), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) [2021-11-20 06:09:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-20 06:09:21,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:09:21,482 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:09:21,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:09:21,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:21,498 INFO L85 PathProgramCache]: Analyzing trace with hash 466734356, now seen corresponding path program 1 times [2021-11-20 06:09:21,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:21,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438903004] [2021-11-20 06:09:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:21,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:09:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:09:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:09:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:09:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:09:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:09:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:09:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:09:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-20 06:09:22,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:09:22,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438903004] [2021-11-20 06:09:22,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438903004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:09:22,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:09:22,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:09:22,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290172526] [2021-11-20 06:09:22,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:09:22,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:09:22,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:09:22,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:09:22,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:09:22,981 INFO L87 Difference]: Start difference. First operand has 2993 states, 2097 states have (on average 1.3938960419647115) internal successors, (2923), 2191 states have internal predecessors, (2923), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 06:09:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:09:43,141 INFO L93 Difference]: Finished difference Result 8977 states and 13564 transitions. [2021-11-20 06:09:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:09:43,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2021-11-20 06:09:43,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:09:43,242 INFO L225 Difference]: With dead ends: 8977 [2021-11-20 06:09:43,242 INFO L226 Difference]: Without dead ends: 5942 [2021-11-20 06:09:43,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:09:43,287 INFO L933 BasicCegarLoop]: 4581 mSDtfsCounter, 6057 mSDsluCounter, 6839 mSDsCounter, 0 mSdLazyCounter, 5262 mSolverCounterSat, 4256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6574 SdHoareTripleChecker+Valid, 11420 SdHoareTripleChecker+Invalid, 9518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4256 IncrementalHoareTripleChecker+Valid, 5262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:09:43,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6574 Valid, 11420 Invalid, 9518 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4256 Valid, 5262 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2021-11-20 06:09:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2021-11-20 06:09:43,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5394. [2021-11-20 06:09:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5394 states, 3793 states have (on average 1.3857105193778012) internal successors, (5256), 3940 states have internal predecessors, (5256), 1386 states have call successors, (1386), 214 states have call predecessors, (1386), 214 states have return successors, (1389), 1321 states have call predecessors, (1389), 1385 states have call successors, (1389) [2021-11-20 06:09:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 8031 transitions. [2021-11-20 06:09:44,037 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 8031 transitions. Word has length 71 [2021-11-20 06:09:44,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:09:44,039 INFO L470 AbstractCegarLoop]: Abstraction has 5394 states and 8031 transitions. [2021-11-20 06:09:44,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 06:09:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 8031 transitions. [2021-11-20 06:09:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-20 06:09:44,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:09:44,061 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:09:44,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:09:44,062 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:09:44,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:44,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1296466078, now seen corresponding path program 1 times [2021-11-20 06:09:44,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:44,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31997987] [2021-11-20 06:09:44,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:44,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:09:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:09:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:09:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:09:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:09:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:09:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:09:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-20 06:09:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:09:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 06:09:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:09:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 06:09:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:09:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:09:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-20 06:09:44,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:09:44,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31997987] [2021-11-20 06:09:44,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31997987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:09:44,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:09:44,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:09:44,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085910381] [2021-11-20 06:09:44,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:09:44,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:09:44,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:09:44,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:09:44,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:09:44,935 INFO L87 Difference]: Start difference. First operand 5394 states and 8031 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 06:09:58,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:09:58,852 INFO L93 Difference]: Finished difference Result 11051 states and 16586 transitions. [2021-11-20 06:09:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:09:58,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2021-11-20 06:09:58,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:09:58,912 INFO L225 Difference]: With dead ends: 11051 [2021-11-20 06:09:58,912 INFO L226 Difference]: Without dead ends: 5672 [2021-11-20 06:09:58,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:09:58,961 INFO L933 BasicCegarLoop]: 3700 mSDtfsCounter, 6071 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 3180 mSolverCounterSat, 3779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6533 SdHoareTripleChecker+Valid, 6396 SdHoareTripleChecker+Invalid, 6959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3779 IncrementalHoareTripleChecker+Valid, 3180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:09:58,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6533 Valid, 6396 Invalid, 6959 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3779 Valid, 3180 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2021-11-20 06:09:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2021-11-20 06:09:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 5119. [2021-11-20 06:09:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 3618 states have (on average 1.3568269762299614) internal successors, (4909), 3765 states have internal predecessors, (4909), 1286 states have call successors, (1286), 214 states have call predecessors, (1286), 214 states have return successors, (1289), 1221 states have call predecessors, (1289), 1285 states have call successors, (1289) [2021-11-20 06:09:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7484 transitions. [2021-11-20 06:09:59,485 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7484 transitions. Word has length 111 [2021-11-20 06:09:59,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:09:59,488 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 7484 transitions. [2021-11-20 06:09:59,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 06:09:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7484 transitions. [2021-11-20 06:09:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-20 06:09:59,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:09:59,501 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:09:59,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:09:59,502 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:09:59,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:09:59,503 INFO L85 PathProgramCache]: Analyzing trace with hash -510734873, now seen corresponding path program 1 times [2021-11-20 06:09:59,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:09:59,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650041898] [2021-11-20 06:09:59,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:09:59,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:09:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:10:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:10:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:10:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:10:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:10:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:10:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-20 06:10:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:10:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:10:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-20 06:10:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 06:10:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-20 06:10:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-20 06:10:00,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:00,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650041898] [2021-11-20 06:10:00,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650041898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:00,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:00,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:10:00,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672416267] [2021-11-20 06:10:00,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:00,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:10:00,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:00,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:10:00,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:10:00,291 INFO L87 Difference]: Start difference. First operand 5119 states and 7484 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-20 06:10:12,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:12,782 INFO L93 Difference]: Finished difference Result 6367 states and 9283 transitions. [2021-11-20 06:10:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:10:12,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2021-11-20 06:10:12,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:12,861 INFO L225 Difference]: With dead ends: 6367 [2021-11-20 06:10:12,861 INFO L226 Difference]: Without dead ends: 6364 [2021-11-20 06:10:12,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:10:12,869 INFO L933 BasicCegarLoop]: 3972 mSDtfsCounter, 6086 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 3677 mSolverCounterSat, 3871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6505 SdHoareTripleChecker+Valid, 7230 SdHoareTripleChecker+Invalid, 7548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3871 IncrementalHoareTripleChecker+Valid, 3677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:12,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6505 Valid, 7230 Invalid, 7548 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3871 Valid, 3677 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2021-11-20 06:10:12,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2021-11-20 06:10:13,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 5687. [2021-11-20 06:10:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 4005 states have (on average 1.345318352059925) internal successors, (5388), 4160 states have internal predecessors, (5388), 1411 states have call successors, (1411), 270 states have call predecessors, (1411), 270 states have return successors, (1424), 1340 states have call predecessors, (1424), 1410 states have call successors, (1424) [2021-11-20 06:10:13,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 8223 transitions. [2021-11-20 06:10:13,459 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 8223 transitions. Word has length 106 [2021-11-20 06:10:13,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:13,462 INFO L470 AbstractCegarLoop]: Abstraction has 5687 states and 8223 transitions. [2021-11-20 06:10:13,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-20 06:10:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 8223 transitions. [2021-11-20 06:10:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-20 06:10:13,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:13,491 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:13,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:10:13,491 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:13,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:13,492 INFO L85 PathProgramCache]: Analyzing trace with hash -93037146, now seen corresponding path program 1 times [2021-11-20 06:10:13,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:13,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123593925] [2021-11-20 06:10:13,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:13,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:10:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:10:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:10:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:10:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:10:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 06:10:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:10:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:10:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:10:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:10:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:10:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 06:10:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:10:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 06:10:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 06:10:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-20 06:10:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 06:10:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 06:10:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-20 06:10:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-20 06:10:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 06:10:14,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:14,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123593925] [2021-11-20 06:10:14,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123593925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:14,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:14,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:10:14,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129141] [2021-11-20 06:10:14,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:14,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:10:14,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:14,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:10:14,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:10:14,316 INFO L87 Difference]: Start difference. First operand 5687 states and 8223 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 06:10:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:43,653 INFO L93 Difference]: Finished difference Result 21266 states and 31697 transitions. [2021-11-20 06:10:43,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 06:10:43,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2021-11-20 06:10:43,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:43,792 INFO L225 Difference]: With dead ends: 21266 [2021-11-20 06:10:43,793 INFO L226 Difference]: Without dead ends: 15594 [2021-11-20 06:10:43,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2021-11-20 06:10:43,839 INFO L933 BasicCegarLoop]: 4461 mSDtfsCounter, 15030 mSDsluCounter, 8135 mSDsCounter, 0 mSdLazyCounter, 12152 mSolverCounterSat, 14799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15540 SdHoareTripleChecker+Valid, 12596 SdHoareTripleChecker+Invalid, 26951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14799 IncrementalHoareTripleChecker+Valid, 12152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:43,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15540 Valid, 12596 Invalid, 26951 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14799 Valid, 12152 Invalid, 0 Unknown, 0 Unchecked, 27.8s Time] [2021-11-20 06:10:43,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15594 states. [2021-11-20 06:10:45,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15594 to 9893. [2021-11-20 06:10:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9893 states, 6927 states have (on average 1.3404071026418363) internal successors, (9285), 7197 states have internal predecessors, (9285), 2480 states have call successors, (2480), 477 states have call predecessors, (2480), 485 states have return successors, (2545), 2357 states have call predecessors, (2545), 2479 states have call successors, (2545) [2021-11-20 06:10:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9893 states to 9893 states and 14310 transitions. [2021-11-20 06:10:45,358 INFO L78 Accepts]: Start accepts. Automaton has 9893 states and 14310 transitions. Word has length 154 [2021-11-20 06:10:45,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:45,359 INFO L470 AbstractCegarLoop]: Abstraction has 9893 states and 14310 transitions. [2021-11-20 06:10:45,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 06:10:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 9893 states and 14310 transitions. [2021-11-20 06:10:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-20 06:10:45,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:45,397 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:45,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:10:45,398 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:45,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:45,401 INFO L85 PathProgramCache]: Analyzing trace with hash 310118013, now seen corresponding path program 1 times [2021-11-20 06:10:45,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:45,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208223355] [2021-11-20 06:10:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:45,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:10:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:10:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:10:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:10:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:10:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:10:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 06:10:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:10:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:10:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 06:10:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:10:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 06:10:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 06:10:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-20 06:10:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-20 06:10:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:10:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:10:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 06:10:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:10:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 06:10:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-20 06:10:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 06:10:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-20 06:10:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-20 06:10:46,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:46,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208223355] [2021-11-20 06:10:46,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208223355] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:46,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:46,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:10:46,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800632951] [2021-11-20 06:10:46,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:46,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:10:46,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:46,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:10:46,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:10:46,115 INFO L87 Difference]: Start difference. First operand 9893 states and 14310 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 06:11:16,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:16,165 INFO L93 Difference]: Finished difference Result 32383 states and 48200 transitions. [2021-11-20 06:11:16,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 06:11:16,165 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 191 [2021-11-20 06:11:16,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:16,301 INFO L225 Difference]: With dead ends: 32383 [2021-11-20 06:11:16,302 INFO L226 Difference]: Without dead ends: 22516 [2021-11-20 06:11:16,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2021-11-20 06:11:16,357 INFO L933 BasicCegarLoop]: 5744 mSDtfsCounter, 11253 mSDsluCounter, 8865 mSDsCounter, 0 mSdLazyCounter, 13019 mSolverCounterSat, 10308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11842 SdHoareTripleChecker+Valid, 14609 SdHoareTripleChecker+Invalid, 23327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10308 IncrementalHoareTripleChecker+Valid, 13019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:16,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11842 Valid, 14609 Invalid, 23327 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10308 Valid, 13019 Invalid, 0 Unknown, 0 Unchecked, 28.3s Time] [2021-11-20 06:11:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22516 states. [2021-11-20 06:11:17,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22516 to 14021. [2021-11-20 06:11:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14021 states, 9792 states have (on average 1.3377246732026145) internal successors, (13099), 10172 states have internal predecessors, (13099), 3529 states have call successors, (3529), 687 states have call predecessors, (3529), 699 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2021-11-20 06:11:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14021 states to 14021 states and 20249 transitions. [2021-11-20 06:11:18,046 INFO L78 Accepts]: Start accepts. Automaton has 14021 states and 20249 transitions. Word has length 191 [2021-11-20 06:11:18,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:18,048 INFO L470 AbstractCegarLoop]: Abstraction has 14021 states and 20249 transitions. [2021-11-20 06:11:18,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 06:11:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 14021 states and 20249 transitions. [2021-11-20 06:11:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-20 06:11:18,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:18,105 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:11:18,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:11:18,108 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:18,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1869285873, now seen corresponding path program 1 times [2021-11-20 06:11:18,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:11:18,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434029439] [2021-11-20 06:11:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:18,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:11:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:11:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:11:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:11:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:11:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:11:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:11:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:11:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 06:11:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:11:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-20 06:11:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-20 06:11:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:11:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:11:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:11:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:11:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 06:11:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 06:11:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-20 06:11:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-20 06:11:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-20 06:11:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 06:11:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 06:11:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:11:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:11:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:11:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-20 06:11:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-20 06:11:19,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:11:19,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434029439] [2021-11-20 06:11:19,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434029439] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:11:19,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:11:19,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:11:19,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155378656] [2021-11-20 06:11:19,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:11:19,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:11:19,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:11:19,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:11:19,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:11:19,050 INFO L87 Difference]: Start difference. First operand 14021 states and 20249 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 06:11:56,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:56,021 INFO L93 Difference]: Finished difference Result 44365 states and 66004 transitions. [2021-11-20 06:11:56,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-20 06:11:56,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 199 [2021-11-20 06:11:56,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:56,232 INFO L225 Difference]: With dead ends: 44365 [2021-11-20 06:11:56,232 INFO L226 Difference]: Without dead ends: 30370 [2021-11-20 06:11:56,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2021-11-20 06:11:56,302 INFO L933 BasicCegarLoop]: 6991 mSDtfsCounter, 11164 mSDsluCounter, 16641 mSDsCounter, 0 mSdLazyCounter, 18583 mSolverCounterSat, 11472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11633 SdHoareTripleChecker+Valid, 23632 SdHoareTripleChecker+Invalid, 30055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 11472 IncrementalHoareTripleChecker+Valid, 18583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:56,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11633 Valid, 23632 Invalid, 30055 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [11472 Valid, 18583 Invalid, 0 Unknown, 0 Unchecked, 34.4s Time] [2021-11-20 06:11:56,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30370 states. [2021-11-20 06:11:58,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30370 to 14025. [2021-11-20 06:11:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14025 states, 9796 states have (on average 1.337586770110249) internal successors, (13103), 10176 states have internal predecessors, (13103), 3529 states have call successors, (3529), 687 states have call predecessors, (3529), 699 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2021-11-20 06:11:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14025 states to 14025 states and 20253 transitions. [2021-11-20 06:11:58,693 INFO L78 Accepts]: Start accepts. Automaton has 14025 states and 20253 transitions. Word has length 199 [2021-11-20 06:11:58,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:58,694 INFO L470 AbstractCegarLoop]: Abstraction has 14025 states and 20253 transitions. [2021-11-20 06:11:58,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 06:11:58,695 INFO L276 IsEmpty]: Start isEmpty. Operand 14025 states and 20253 transitions. [2021-11-20 06:11:58,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-20 06:11:58,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:58,750 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:11:58,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:11:58,751 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:58,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:58,752 INFO L85 PathProgramCache]: Analyzing trace with hash 784800296, now seen corresponding path program 1 times [2021-11-20 06:11:58,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:11:58,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061961851] [2021-11-20 06:11:58,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:58,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:11:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:11:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:11:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:11:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:11:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:11:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:11:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:11:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 06:11:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:11:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:11:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 06:11:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:11:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-20 06:11:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:11:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 06:11:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 06:11:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 06:11:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-20 06:11:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 06:11:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-20 06:11:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 06:11:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-20 06:11:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:11:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-20 06:11:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:11:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:11:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 06:11:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-20 06:11:59,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:11:59,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061961851] [2021-11-20 06:11:59,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061961851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:11:59,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:11:59,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:12:00,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518544319] [2021-11-20 06:12:00,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:00,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:12:00,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:12:00,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:12:00,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:12:00,003 INFO L87 Difference]: Start difference. First operand 14025 states and 20253 transitions. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:12:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:20,903 INFO L93 Difference]: Finished difference Result 36494 states and 54123 transitions. [2021-11-20 06:12:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:12:20,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 216 [2021-11-20 06:12:20,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:21,084 INFO L225 Difference]: With dead ends: 36494 [2021-11-20 06:12:21,084 INFO L226 Difference]: Without dead ends: 22488 [2021-11-20 06:12:21,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:12:21,165 INFO L933 BasicCegarLoop]: 3631 mSDtfsCounter, 6831 mSDsluCounter, 10089 mSDsCounter, 0 mSdLazyCounter, 10370 mSolverCounterSat, 7305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7092 SdHoareTripleChecker+Valid, 13720 SdHoareTripleChecker+Invalid, 17675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7305 IncrementalHoareTripleChecker+Valid, 10370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:21,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7092 Valid, 13720 Invalid, 17675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7305 Valid, 10370 Invalid, 0 Unknown, 0 Unchecked, 18.9s Time] [2021-11-20 06:12:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22488 states. [2021-11-20 06:12:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22488 to 14037. [2021-11-20 06:12:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14037 states, 9805 states have (on average 1.3375828658847526) internal successors, (13115), 10188 states have internal predecessors, (13115), 3529 states have call successors, (3529), 687 states have call predecessors, (3529), 702 states have return successors, (3624), 3353 states have call predecessors, (3624), 3528 states have call successors, (3624) [2021-11-20 06:12:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14037 states to 14037 states and 20268 transitions. [2021-11-20 06:12:23,231 INFO L78 Accepts]: Start accepts. Automaton has 14037 states and 20268 transitions. Word has length 216 [2021-11-20 06:12:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:23,232 INFO L470 AbstractCegarLoop]: Abstraction has 14037 states and 20268 transitions. [2021-11-20 06:12:23,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:12:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14037 states and 20268 transitions. [2021-11-20 06:12:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-20 06:12:23,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:23,278 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:23,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:12:23,279 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:23,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:23,280 INFO L85 PathProgramCache]: Analyzing trace with hash 358991422, now seen corresponding path program 1 times [2021-11-20 06:12:23,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:23,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850607570] [2021-11-20 06:12:23,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:23,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:12:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:23,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:12:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:12:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:12:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:12:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:12:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:12:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:12:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:12:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:12:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 06:12:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:12:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 06:12:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 06:12:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 06:12:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 06:12:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 06:12:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 06:12:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:12:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:12:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 06:12:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:12:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 06:12:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-20 06:12:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 06:12:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-20 06:12:24,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:12:24,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850607570] [2021-11-20 06:12:24,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850607570] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:12:24,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60898780] [2021-11-20 06:12:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:24,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:12:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:24,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:12:24,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:12:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:26,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 6297 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 06:12:26,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-20 06:12:27,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:12:27,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60898780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:27,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:12:27,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2021-11-20 06:12:27,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960149057] [2021-11-20 06:12:27,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:27,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:12:27,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:12:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:12:27,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:12:27,171 INFO L87 Difference]: Start difference. First operand 14037 states and 20268 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:12:28,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:28,914 INFO L93 Difference]: Finished difference Result 33540 states and 48528 transitions. [2021-11-20 06:12:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:12:28,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 217 [2021-11-20 06:12:28,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:29,029 INFO L225 Difference]: With dead ends: 33540 [2021-11-20 06:12:29,030 INFO L226 Difference]: Without dead ends: 19530 [2021-11-20 06:12:29,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:12:29,088 INFO L933 BasicCegarLoop]: 7636 mSDtfsCounter, 4517 mSDsluCounter, 11643 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4517 SdHoareTripleChecker+Valid, 19279 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:29,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4517 Valid, 19279 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:12:29,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2021-11-20 06:12:30,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 14035. [2021-11-20 06:12:30,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14035 states, 9803 states have (on average 1.3375497296745895) internal successors, (13112), 10186 states have internal predecessors, (13112), 3529 states have call successors, (3529), 687 states have call predecessors, (3529), 702 states have return successors, (3624), 3353 states have call predecessors, (3624), 3528 states have call successors, (3624) [2021-11-20 06:12:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14035 states to 14035 states and 20265 transitions. [2021-11-20 06:12:30,659 INFO L78 Accepts]: Start accepts. Automaton has 14035 states and 20265 transitions. Word has length 217 [2021-11-20 06:12:30,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:30,660 INFO L470 AbstractCegarLoop]: Abstraction has 14035 states and 20265 transitions. [2021-11-20 06:12:30,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-20 06:12:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 14035 states and 20265 transitions. [2021-11-20 06:12:30,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-20 06:12:30,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:30,762 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:30,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:30,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 06:12:30,991 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:30,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:30,991 INFO L85 PathProgramCache]: Analyzing trace with hash 44309452, now seen corresponding path program 1 times [2021-11-20 06:12:30,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:30,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526529276] [2021-11-20 06:12:30,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:30,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:12:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:12:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:12:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:12:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:12:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:12:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:12:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:12:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:12:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:12:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:12:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:31,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:12:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:12:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:12:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:12:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:12:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:12:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:12:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:12:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:12:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:12:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:12:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-20 06:12:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 06:12:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-20 06:12:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-20 06:12:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-20 06:12:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-20 06:12:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-20 06:12:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 06:12:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 06:12:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 06:12:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-20 06:12:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-20 06:12:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-20 06:12:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-20 06:12:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-20 06:12:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 06:12:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-20 06:12:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-20 06:12:32,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:12:32,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526529276] [2021-11-20 06:12:32,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526529276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:32,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:12:32,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:12:32,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621906983] [2021-11-20 06:12:32,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:32,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:12:32,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:12:32,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:12:32,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:12:32,362 INFO L87 Difference]: Start difference. First operand 14035 states and 20265 transitions. Second operand has 10 states, 10 states have (on average 23.4) internal successors, (234), 3 states have internal predecessors, (234), 2 states have call successors, (47), 9 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-20 06:12:54,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:54,996 INFO L93 Difference]: Finished difference Result 38624 states and 57988 transitions. [2021-11-20 06:12:55,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:12:55,007 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 3 states have internal predecessors, (234), 2 states have call successors, (47), 9 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 381 [2021-11-20 06:12:55,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:55,157 INFO L225 Difference]: With dead ends: 38624 [2021-11-20 06:12:55,157 INFO L226 Difference]: Without dead ends: 24616 [2021-11-20 06:12:55,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:12:55,221 INFO L933 BasicCegarLoop]: 4287 mSDtfsCounter, 9420 mSDsluCounter, 10844 mSDsCounter, 0 mSdLazyCounter, 10902 mSolverCounterSat, 8290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9934 SdHoareTripleChecker+Valid, 15131 SdHoareTripleChecker+Invalid, 19192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8290 IncrementalHoareTripleChecker+Valid, 10902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:55,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9934 Valid, 15131 Invalid, 19192 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8290 Valid, 10902 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2021-11-20 06:12:55,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24616 states. [2021-11-20 06:12:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24616 to 14049. [2021-11-20 06:12:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14049 states, 9817 states have (on average 1.337068350820006) internal successors, (13126), 10200 states have internal predecessors, (13126), 3529 states have call successors, (3529), 687 states have call predecessors, (3529), 702 states have return successors, (3624), 3353 states have call predecessors, (3624), 3528 states have call successors, (3624) [2021-11-20 06:12:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14049 states to 14049 states and 20279 transitions. [2021-11-20 06:12:57,048 INFO L78 Accepts]: Start accepts. Automaton has 14049 states and 20279 transitions. Word has length 381 [2021-11-20 06:12:57,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:57,050 INFO L470 AbstractCegarLoop]: Abstraction has 14049 states and 20279 transitions. [2021-11-20 06:12:57,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 3 states have internal predecessors, (234), 2 states have call successors, (47), 9 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-20 06:12:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 14049 states and 20279 transitions. [2021-11-20 06:12:57,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-20 06:12:57,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:57,125 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:57,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:12:57,126 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:57,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash -575237990, now seen corresponding path program 1 times [2021-11-20 06:12:57,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:57,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157729961] [2021-11-20 06:12:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:57,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:12:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:12:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:12:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:12:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:12:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:12:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:12:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:12:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:12:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:12:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:12:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:12:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:12:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:12:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:12:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:12:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:12:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:12:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:12:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:12:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:12:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:12:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:12:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:12:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:12:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 06:12:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 06:12:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-20 06:12:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-20 06:12:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-20 06:12:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 06:12:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-20 06:12:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-20 06:12:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 06:12:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-20 06:12:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 06:12:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 06:12:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-20 06:12:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-20 06:12:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-20 06:12:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-20 06:12:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-20 06:12:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-20 06:12:58,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:12:58,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157729961] [2021-11-20 06:12:58,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157729961] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:12:58,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192528275] [2021-11-20 06:12:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:58,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:12:58,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:58,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:12:58,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:13:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:00,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 7316 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:13:00,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-20 06:13:01,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:13:01,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192528275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:01,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:13:01,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2021-11-20 06:13:01,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792251341] [2021-11-20 06:13:01,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:01,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:13:01,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:01,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:13:01,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:13:01,406 INFO L87 Difference]: Start difference. First operand 14049 states and 20279 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-20 06:13:02,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:02,385 INFO L93 Difference]: Finished difference Result 28073 states and 40528 transitions. [2021-11-20 06:13:02,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:13:02,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 401 [2021-11-20 06:13:02,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:02,470 INFO L225 Difference]: With dead ends: 28073 [2021-11-20 06:13:02,470 INFO L226 Difference]: Without dead ends: 14051 [2021-11-20 06:13:02,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:13:02,534 INFO L933 BasicCegarLoop]: 4143 mSDtfsCounter, 0 mSDsluCounter, 4137 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8280 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:02,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8280 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:13:02,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14051 states. [2021-11-20 06:13:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14051 to 14051. [2021-11-20 06:13:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14051 states, 9819 states have (on average 1.3369996944699052) internal successors, (13128), 10202 states have internal predecessors, (13128), 3529 states have call successors, (3529), 687 states have call predecessors, (3529), 702 states have return successors, (3624), 3353 states have call predecessors, (3624), 3528 states have call successors, (3624) [2021-11-20 06:13:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14051 states to 14051 states and 20281 transitions. [2021-11-20 06:13:03,981 INFO L78 Accepts]: Start accepts. Automaton has 14051 states and 20281 transitions. Word has length 401 [2021-11-20 06:13:03,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:03,982 INFO L470 AbstractCegarLoop]: Abstraction has 14051 states and 20281 transitions. [2021-11-20 06:13:03,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-20 06:13:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 14051 states and 20281 transitions. [2021-11-20 06:13:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-11-20 06:13:04,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:04,074 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:13:04,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:13:04,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:04,290 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:04,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:04,291 INFO L85 PathProgramCache]: Analyzing trace with hash -736938124, now seen corresponding path program 1 times [2021-11-20 06:13:04,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:04,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613168173] [2021-11-20 06:13:04,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:04,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:13:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:13:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:13:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:13:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:13:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:13:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:13:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:13:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:13:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:13:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:13:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:13:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:13:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:13:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:13:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:13:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:13:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:13:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:13:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:13:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:13:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:13:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:13:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:13:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 06:13:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-20 06:13:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 06:13:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-20 06:13:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-20 06:13:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 06:13:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-20 06:13:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-20 06:13:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-20 06:13:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 06:13:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-20 06:13:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-20 06:13:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-20 06:13:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-20 06:13:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-20 06:13:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 06:13:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-20 06:13:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-20 06:13:05,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:05,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613168173] [2021-11-20 06:13:05,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613168173] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:13:05,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668518742] [2021-11-20 06:13:05,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:05,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:05,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:13:05,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:13:05,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:13:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 7326 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:13:07,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-20 06:13:08,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:13:08,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668518742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:08,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:13:08,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2021-11-20 06:13:08,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435971898] [2021-11-20 06:13:08,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:08,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:13:08,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:08,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:13:08,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:13:08,399 INFO L87 Difference]: Start difference. First operand 14051 states and 20281 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:13:09,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:09,492 INFO L93 Difference]: Finished difference Result 28288 states and 40854 transitions. [2021-11-20 06:13:09,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:13:09,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 403 [2021-11-20 06:13:09,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:09,588 INFO L225 Difference]: With dead ends: 28288 [2021-11-20 06:13:09,588 INFO L226 Difference]: Without dead ends: 14264 [2021-11-20 06:13:09,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:13:09,656 INFO L933 BasicCegarLoop]: 4314 mSDtfsCounter, 817 mSDsluCounter, 3259 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 7573 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:09,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [970 Valid, 7573 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:13:09,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14264 states. [2021-11-20 06:13:10,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14264 to 14051. [2021-11-20 06:13:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14051 states, 9819 states have (on average 1.3367960077400958) internal successors, (13126), 10202 states have internal predecessors, (13126), 3529 states have call successors, (3529), 687 states have call predecessors, (3529), 702 states have return successors, (3624), 3353 states have call predecessors, (3624), 3528 states have call successors, (3624) [2021-11-20 06:13:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14051 states to 14051 states and 20279 transitions. [2021-11-20 06:13:11,001 INFO L78 Accepts]: Start accepts. Automaton has 14051 states and 20279 transitions. Word has length 403 [2021-11-20 06:13:11,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:11,002 INFO L470 AbstractCegarLoop]: Abstraction has 14051 states and 20279 transitions. [2021-11-20 06:13:11,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:13:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 14051 states and 20279 transitions. [2021-11-20 06:13:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-11-20 06:13:11,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:11,057 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:13:11,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:13:11,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:11,286 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:11,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:11,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1734222017, now seen corresponding path program 1 times [2021-11-20 06:13:11,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:11,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835656353] [2021-11-20 06:13:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:11,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:13:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:13:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:13:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:13:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:13:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:13:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:13:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:13:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:13:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:13:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:13:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:13:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:13:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:13:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:13:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:13:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:13:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:13:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:13:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:13:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:13:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:13:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:13:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:13:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-20 06:13:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-20 06:13:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 06:13:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-20 06:13:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:13:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:13:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-20 06:13:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-20 06:13:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 06:13:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-20 06:13:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-20 06:13:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-20 06:13:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-20 06:13:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-20 06:13:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-20 06:13:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-20 06:13:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-20 06:13:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-20 06:13:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-20 06:13:12,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:12,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835656353] [2021-11-20 06:13:12,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835656353] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:13:12,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444188286] [2021-11-20 06:13:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:12,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:13:12,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:13:12,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 06:13:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:14,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 7349 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:13:14,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-11-20 06:13:15,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:13:15,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444188286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:15,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:13:15,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2021-11-20 06:13:15,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008589115] [2021-11-20 06:13:15,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:15,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:13:15,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:15,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:13:15,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:13:15,337 INFO L87 Difference]: Start difference. First operand 14051 states and 20279 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-20 06:13:16,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:16,843 INFO L93 Difference]: Finished difference Result 34898 states and 50397 transitions. [2021-11-20 06:13:16,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:13:16,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 414 [2021-11-20 06:13:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:16,951 INFO L225 Difference]: With dead ends: 34898 [2021-11-20 06:13:16,951 INFO L226 Difference]: Without dead ends: 20874 [2021-11-20 06:13:17,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:13:17,001 INFO L933 BasicCegarLoop]: 5048 mSDtfsCounter, 3892 mSDsluCounter, 3870 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 8918 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:17,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3892 Valid, 8918 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:13:17,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20874 states. [2021-11-20 06:13:18,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20874 to 20838. [2021-11-20 06:13:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20838 states, 14623 states have (on average 1.3383710592901594) internal successors, (19571), 15183 states have internal predecessors, (19571), 5168 states have call successors, (5168), 1022 states have call predecessors, (5168), 1046 states have return successors, (5314), 4913 states have call predecessors, (5314), 5167 states have call successors, (5314) [2021-11-20 06:13:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20838 states to 20838 states and 30053 transitions. [2021-11-20 06:13:18,675 INFO L78 Accepts]: Start accepts. Automaton has 20838 states and 30053 transitions. Word has length 414 [2021-11-20 06:13:18,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:18,676 INFO L470 AbstractCegarLoop]: Abstraction has 20838 states and 30053 transitions. [2021-11-20 06:13:18,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-20 06:13:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 20838 states and 30053 transitions. [2021-11-20 06:13:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-11-20 06:13:18,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:18,740 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:13:18,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:13:18,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 06:13:18,941 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:18,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:18,944 INFO L85 PathProgramCache]: Analyzing trace with hash 987419333, now seen corresponding path program 1 times [2021-11-20 06:13:18,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:18,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111640914] [2021-11-20 06:13:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:18,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:13:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:13:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:13:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:13:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:13:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:13:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:13:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:13:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:13:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:13:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:13:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:13:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:13:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:13:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:13:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:13:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:13:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:13:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:13:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:13:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:13:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:13:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:13:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:13:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-20 06:13:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-20 06:13:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-20 06:13:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-20 06:13:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-20 06:13:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-20 06:13:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-20 06:13:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-20 06:13:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 06:13:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-20 06:13:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-20 06:13:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-20 06:13:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-20 06:13:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-20 06:13:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 06:13:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-20 06:13:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-20 06:13:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-20 06:13:19,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:19,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111640914] [2021-11-20 06:13:19,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111640914] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:13:19,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169920231] [2021-11-20 06:13:19,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:19,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:19,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:13:19,910 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:13:19,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 06:13:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:21,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 7344 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:13:21,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-20 06:13:22,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:13:22,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169920231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:22,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:13:22,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2021-11-20 06:13:22,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985068814] [2021-11-20 06:13:22,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:22,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:13:22,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:22,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:13:22,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:13:22,834 INFO L87 Difference]: Start difference. First operand 20838 states and 30053 transitions. Second operand has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-20 06:13:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:24,450 INFO L93 Difference]: Finished difference Result 41658 states and 60084 transitions. [2021-11-20 06:13:24,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:13:24,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 409 [2021-11-20 06:13:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:24,565 INFO L225 Difference]: With dead ends: 41658 [2021-11-20 06:13:24,565 INFO L226 Difference]: Without dead ends: 20847 [2021-11-20 06:13:24,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:13:24,619 INFO L933 BasicCegarLoop]: 4140 mSDtfsCounter, 3 mSDsluCounter, 8271 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12411 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:24,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 12411 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:13:24,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20847 states. [2021-11-20 06:13:26,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20847 to 20844. [2021-11-20 06:13:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20844 states, 14629 states have (on average 1.3382322783512202) internal successors, (19577), 15189 states have internal predecessors, (19577), 5168 states have call successors, (5168), 1022 states have call predecessors, (5168), 1046 states have return successors, (5314), 4913 states have call predecessors, (5314), 5167 states have call successors, (5314) [2021-11-20 06:13:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20844 states to 20844 states and 30059 transitions. [2021-11-20 06:13:26,185 INFO L78 Accepts]: Start accepts. Automaton has 20844 states and 30059 transitions. Word has length 409 [2021-11-20 06:13:26,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:26,186 INFO L470 AbstractCegarLoop]: Abstraction has 20844 states and 30059 transitions. [2021-11-20 06:13:26,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-20 06:13:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 20844 states and 30059 transitions. [2021-11-20 06:13:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-11-20 06:13:26,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:26,259 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:13:26,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-20 06:13:26,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-20 06:13:26,460 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:26,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1031696033, now seen corresponding path program 1 times [2021-11-20 06:13:26,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:26,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164554222] [2021-11-20 06:13:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:26,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:13:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:13:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:13:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:13:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:13:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:13:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:13:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:13:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:13:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:13:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:13:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:13:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:13:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:13:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:13:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:13:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:13:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:13:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:13:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:13:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:13:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:13:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:13:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:13:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 06:13:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-20 06:13:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 06:13:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-20 06:13:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:13:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-20 06:13:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 06:13:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-20 06:13:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 06:13:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-20 06:13:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 06:13:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-20 06:13:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 06:13:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 06:13:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-20 06:13:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-20 06:13:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 06:13:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-20 06:13:27,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:27,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164554222] [2021-11-20 06:13:27,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164554222] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:13:27,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881054080] [2021-11-20 06:13:27,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:27,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:27,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:13:27,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:13:27,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 06:13:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:29,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 7358 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:13:29,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-20 06:13:30,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:13:30,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881054080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:30,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:13:30,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2021-11-20 06:13:30,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835326427] [2021-11-20 06:13:30,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:30,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:13:30,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:30,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:13:30,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:13:30,701 INFO L87 Difference]: Start difference. First operand 20844 states and 30059 transitions. Second operand has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:13:32,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:32,817 INFO L93 Difference]: Finished difference Result 44503 states and 64523 transitions. [2021-11-20 06:13:32,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:13:32,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 411 [2021-11-20 06:13:32,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:32,929 INFO L225 Difference]: With dead ends: 44503 [2021-11-20 06:13:32,930 INFO L226 Difference]: Without dead ends: 23686 [2021-11-20 06:13:32,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:13:32,999 INFO L933 BasicCegarLoop]: 4571 mSDtfsCounter, 760 mSDsluCounter, 8683 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 13254 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:32,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [907 Valid, 13254 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 06:13:33,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23686 states. [2021-11-20 06:13:34,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23686 to 21821. [2021-11-20 06:13:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21821 states, 15482 states have (on average 1.3451750419842399) internal successors, (20826), 16054 states have internal predecessors, (20826), 5292 states have call successors, (5292), 1022 states have call predecessors, (5292), 1046 states have return successors, (5450), 5037 states have call predecessors, (5450), 5291 states have call successors, (5450) [2021-11-20 06:13:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21821 states to 21821 states and 31568 transitions. [2021-11-20 06:13:34,852 INFO L78 Accepts]: Start accepts. Automaton has 21821 states and 31568 transitions. Word has length 411 [2021-11-20 06:13:34,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:34,854 INFO L470 AbstractCegarLoop]: Abstraction has 21821 states and 31568 transitions. [2021-11-20 06:13:34,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:13:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 21821 states and 31568 transitions. [2021-11-20 06:13:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-11-20 06:13:34,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:34,944 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:13:34,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-20 06:13:35,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:35,146 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:35,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:35,146 INFO L85 PathProgramCache]: Analyzing trace with hash -356535907, now seen corresponding path program 1 times [2021-11-20 06:13:35,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:35,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105275579] [2021-11-20 06:13:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:35,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:13:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:13:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:13:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:13:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:13:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:13:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:13:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:13:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:13:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:13:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:13:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:13:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:13:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:13:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:13:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:13:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:13:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:13:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:13:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:13:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:13:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:13:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:13:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:13:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:35,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 06:13:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-20 06:13:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 06:13:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-20 06:13:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:13:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-20 06:13:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 06:13:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-20 06:13:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 06:13:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-20 06:13:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 06:13:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-20 06:13:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 06:13:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 06:13:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-20 06:13:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-20 06:13:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 06:13:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-20 06:13:36,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:36,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105275579] [2021-11-20 06:13:36,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105275579] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:13:36,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296038254] [2021-11-20 06:13:36,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:36,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:36,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:13:36,202 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:13:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 06:13:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:38,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 7358 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:13:38,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-20 06:13:39,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:13:39,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296038254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:39,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:13:39,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2021-11-20 06:13:39,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427921587] [2021-11-20 06:13:39,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:39,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:13:39,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:39,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:13:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:13:39,639 INFO L87 Difference]: Start difference. First operand 21821 states and 31568 transitions. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:13:42,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:42,121 INFO L93 Difference]: Finished difference Result 46444 states and 67515 transitions. [2021-11-20 06:13:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:13:42,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 411 [2021-11-20 06:13:42,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:42,264 INFO L225 Difference]: With dead ends: 46444 [2021-11-20 06:13:42,264 INFO L226 Difference]: Without dead ends: 24650 [2021-11-20 06:13:42,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:13:42,371 INFO L933 BasicCegarLoop]: 5087 mSDtfsCounter, 732 mSDsluCounter, 10091 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 15178 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:42,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [867 Valid, 15178 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 06:13:42,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24650 states. [2021-11-20 06:13:44,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24650 to 22804. [2021-11-20 06:13:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22804 states, 16341 states have (on average 1.3505293433694388) internal successors, (22069), 16925 states have internal predecessors, (22069), 5416 states have call successors, (5416), 1022 states have call predecessors, (5416), 1046 states have return successors, (5586), 5161 states have call predecessors, (5586), 5415 states have call successors, (5586) [2021-11-20 06:13:44,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22804 states to 22804 states and 33071 transitions. [2021-11-20 06:13:44,193 INFO L78 Accepts]: Start accepts. Automaton has 22804 states and 33071 transitions. Word has length 411 [2021-11-20 06:13:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:44,194 INFO L470 AbstractCegarLoop]: Abstraction has 22804 states and 33071 transitions. [2021-11-20 06:13:44,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 3 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:13:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 22804 states and 33071 transitions. [2021-11-20 06:13:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-11-20 06:13:44,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:44,265 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:13:44,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:13:44,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:13:44,466 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:44,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:44,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2118645668, now seen corresponding path program 1 times [2021-11-20 06:13:44,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:44,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169340690] [2021-11-20 06:13:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:44,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:13:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:13:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:13:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:13:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:13:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:13:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:13:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:13:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:13:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-20 06:13:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 06:13:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:13:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:13:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:13:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-20 06:13:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 06:13:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 06:13:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 06:13:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:13:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-20 06:13:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 06:13:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 06:13:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-20 06:13:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:13:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-20 06:13:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 06:13:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 06:13:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 06:13:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 06:13:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-20 06:13:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-20 06:13:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-20 06:13:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-20 06:13:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-20 06:13:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-20 06:13:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-20 06:13:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-20 06:13:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-20 06:13:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-20 06:13:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-20 06:13:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-20 06:13:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-20 06:13:45,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:45,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169340690] [2021-11-20 06:13:45,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169340690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:45,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:13:45,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:13:45,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735027493] [2021-11-20 06:13:45,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:45,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:13:45,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:45,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:13:45,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:13:45,597 INFO L87 Difference]: Start difference. First operand 22804 states and 33071 transitions. Second operand has 10 states, 10 states have (on average 25.5) internal successors, (255), 3 states have internal predecessors, (255), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-20 06:14:10,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:14:10,480 INFO L93 Difference]: Finished difference Result 61001 states and 91510 transitions. [2021-11-20 06:14:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:14:10,481 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.5) internal successors, (255), 3 states have internal predecessors, (255), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 412 [2021-11-20 06:14:10,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:14:10,654 INFO L225 Difference]: With dead ends: 61001 [2021-11-20 06:14:10,654 INFO L226 Difference]: Without dead ends: 38224 [2021-11-20 06:14:10,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:14:10,723 INFO L933 BasicCegarLoop]: 4273 mSDtfsCounter, 10278 mSDsluCounter, 10950 mSDsCounter, 0 mSdLazyCounter, 11070 mSolverCounterSat, 9942 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10772 SdHoareTripleChecker+Valid, 15223 SdHoareTripleChecker+Invalid, 21012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9942 IncrementalHoareTripleChecker+Valid, 11070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:14:10,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10772 Valid, 15223 Invalid, 21012 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9942 Valid, 11070 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2021-11-20 06:14:10,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38224 states. [2021-11-20 06:14:13,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38224 to 22804. [2021-11-20 06:14:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22804 states, 16341 states have (on average 1.3501621687779206) internal successors, (22063), 16925 states have internal predecessors, (22063), 5416 states have call successors, (5416), 1022 states have call predecessors, (5416), 1046 states have return successors, (5586), 5161 states have call predecessors, (5586), 5415 states have call successors, (5586) [2021-11-20 06:14:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22804 states to 22804 states and 33065 transitions. [2021-11-20 06:14:13,209 INFO L78 Accepts]: Start accepts. Automaton has 22804 states and 33065 transitions. Word has length 412 [2021-11-20 06:14:13,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:14:13,210 INFO L470 AbstractCegarLoop]: Abstraction has 22804 states and 33065 transitions. [2021-11-20 06:14:13,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.5) internal successors, (255), 3 states have internal predecessors, (255), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-20 06:14:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 22804 states and 33065 transitions. [2021-11-20 06:14:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-11-20 06:14:13,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:14:13,278 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:13,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 06:14:13,278 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:14:13,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:13,279 INFO L85 PathProgramCache]: Analyzing trace with hash -941307557, now seen corresponding path program 1 times [2021-11-20 06:14:13,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:13,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876443527] [2021-11-20 06:14:13,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:13,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:14:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:14:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:14:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:14:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:14:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:14:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:14:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:14:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:14:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:14:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:14:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:14:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:14:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:14:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 06:14:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:14:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:14:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:14:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 06:14:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 06:14:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:14:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:14:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:14:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 06:14:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:14:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 06:14:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-20 06:14:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 06:14:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-20 06:14:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:14:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-20 06:14:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 06:14:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-20 06:14:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 06:14:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-20 06:14:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 06:14:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-20 06:14:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 06:14:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-20 06:14:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-20 06:14:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-20 06:14:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 06:14:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-20 06:14:14,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:14,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876443527] [2021-11-20 06:14:14,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876443527] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:14:14,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113601079] [2021-11-20 06:14:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:14,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:14:14,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:14,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:14:14,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 06:14:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:16,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 7358 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:14:16,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:14:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-20 06:14:16,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:14:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-20 06:14:17,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113601079] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:14:17,771 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:14:17,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 13 [2021-11-20 06:14:17,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809040583] [2021-11-20 06:14:17,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:14:17,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:14:17,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:17,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:14:17,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:14:17,777 INFO L87 Difference]: Start difference. First operand 22804 states and 33065 transitions. Second operand has 13 states, 13 states have (on average 24.384615384615383) internal successors, (317), 6 states have internal predecessors, (317), 5 states have call successors, (95), 9 states have call predecessors, (95), 2 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2021-11-20 06:14:45,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:14:45,877 INFO L93 Difference]: Finished difference Result 66548 states and 101769 transitions. [2021-11-20 06:14:45,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:14:45,877 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 24.384615384615383) internal successors, (317), 6 states have internal predecessors, (317), 5 states have call successors, (95), 9 states have call predecessors, (95), 2 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) Word has length 411 [2021-11-20 06:14:45,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:14:46,360 INFO L225 Difference]: With dead ends: 66548 [2021-11-20 06:14:46,360 INFO L226 Difference]: Without dead ends: 43771 [2021-11-20 06:14:46,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:14:46,461 INFO L933 BasicCegarLoop]: 4744 mSDtfsCounter, 8880 mSDsluCounter, 18244 mSDsCounter, 0 mSdLazyCounter, 15899 mSolverCounterSat, 7921 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9811 SdHoareTripleChecker+Valid, 22988 SdHoareTripleChecker+Invalid, 23820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7921 IncrementalHoareTripleChecker+Valid, 15899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:14:46,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9811 Valid, 22988 Invalid, 23820 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7921 Valid, 15899 Invalid, 0 Unknown, 0 Unchecked, 24.5s Time] [2021-11-20 06:14:46,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43771 states. [2021-11-20 06:14:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43771 to 23074. [2021-11-20 06:14:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23074 states, 16593 states have (on average 1.3466522027360934) internal successors, (22345), 17183 states have internal predecessors, (22345), 5434 states have call successors, (5434), 1022 states have call predecessors, (5434), 1046 states have return successors, (5604), 5179 states have call predecessors, (5604), 5433 states have call successors, (5604) [2021-11-20 06:14:49,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23074 states to 23074 states and 33383 transitions. [2021-11-20 06:14:49,008 INFO L78 Accepts]: Start accepts. Automaton has 23074 states and 33383 transitions. Word has length 411 [2021-11-20 06:14:49,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:14:49,008 INFO L470 AbstractCegarLoop]: Abstraction has 23074 states and 33383 transitions. [2021-11-20 06:14:49,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 24.384615384615383) internal successors, (317), 6 states have internal predecessors, (317), 5 states have call successors, (95), 9 states have call predecessors, (95), 2 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2021-11-20 06:14:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 23074 states and 33383 transitions. [2021-11-20 06:14:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-11-20 06:14:49,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:14:49,075 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:49,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:49,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 06:14:49,278 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:14:49,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash 2020809454, now seen corresponding path program 1 times [2021-11-20 06:14:49,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:49,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657241245] [2021-11-20 06:14:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:49,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:14:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:14:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:14:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:14:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:14:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:14:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:14:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:14:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:14:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:14:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-20 06:14:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 06:14:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 06:14:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:14:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 06:14:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-20 06:14:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 06:14:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 06:14:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 06:14:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:14:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-20 06:14:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 06:14:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:14:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:14:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 06:14:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-20 06:14:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 06:14:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-20 06:14:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 06:14:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 06:14:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-20 06:14:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 06:14:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-20 06:14:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 06:14:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-20 06:14:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-20 06:14:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-20 06:14:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-20 06:14:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-20 06:14:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-20 06:14:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-20 06:14:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-20 06:14:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-20 06:14:50,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:50,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657241245] [2021-11-20 06:14:50,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657241245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:14:50,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:14:50,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 06:14:50,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805572583] [2021-11-20 06:14:50,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:14:50,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:14:50,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:50,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:14:50,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:14:50,069 INFO L87 Difference]: Start difference. First operand 23074 states and 33383 transitions. Second operand has 10 states, 10 states have (on average 25.6) internal successors, (256), 3 states have internal predecessors, (256), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-20 06:15:12,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:15:12,011 INFO L93 Difference]: Finished difference Result 62326 states and 93356 transitions. [2021-11-20 06:15:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:15:12,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 3 states have internal predecessors, (256), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 421 [2021-11-20 06:15:12,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:15:12,194 INFO L225 Difference]: With dead ends: 62326 [2021-11-20 06:15:12,194 INFO L226 Difference]: Without dead ends: 39279 [2021-11-20 06:15:12,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:15:12,264 INFO L933 BasicCegarLoop]: 3975 mSDtfsCounter, 7948 mSDsluCounter, 10046 mSDsCounter, 0 mSdLazyCounter, 9405 mSolverCounterSat, 8119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8460 SdHoareTripleChecker+Valid, 14021 SdHoareTripleChecker+Invalid, 17524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8119 IncrementalHoareTripleChecker+Valid, 9405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:15:12,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8460 Valid, 14021 Invalid, 17524 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8119 Valid, 9405 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2021-11-20 06:15:12,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39279 states. [2021-11-20 06:15:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39279 to 23236. [2021-11-20 06:15:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23236 states, 16722 states have (on average 1.3457720368376989) internal successors, (22504), 17315 states have internal predecessors, (22504), 5467 states have call successors, (5467), 1022 states have call predecessors, (5467), 1046 states have return successors, (5637), 5212 states have call predecessors, (5637), 5466 states have call successors, (5637) [2021-11-20 06:15:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23236 states to 23236 states and 33608 transitions. [2021-11-20 06:15:14,887 INFO L78 Accepts]: Start accepts. Automaton has 23236 states and 33608 transitions. Word has length 421 [2021-11-20 06:15:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:15:14,887 INFO L470 AbstractCegarLoop]: Abstraction has 23236 states and 33608 transitions. [2021-11-20 06:15:14,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 3 states have internal predecessors, (256), 3 states have call successors, (50), 9 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-20 06:15:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 23236 states and 33608 transitions. [2021-11-20 06:15:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-11-20 06:15:14,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:15:14,958 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:15:14,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 06:15:14,958 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:15:14,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:15:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash -801322538, now seen corresponding path program 1 times [2021-11-20 06:15:14,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:15:14,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219820803] [2021-11-20 06:15:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:15:14,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:15:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:15:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:15:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:15:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:15:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:15:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:15:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:15:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:15:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:15:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:15:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:15:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:15:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:15:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:15:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 06:15:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:15:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:15:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:15:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 06:15:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:15:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:15:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 06:15:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 06:15:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:15:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:15:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 06:15:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 06:15:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 06:15:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 06:15:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 06:15:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 06:15:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-20 06:15:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-20 06:15:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 06:15:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-20 06:15:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-20 06:15:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-20 06:15:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-20 06:15:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-20 06:15:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-20 06:15:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-20 06:15:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-20 06:15:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-20 06:15:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-20 06:15:16,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:15:16,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219820803] [2021-11-20 06:15:16,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219820803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:15:16,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:15:16,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 06:15:16,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570064767] [2021-11-20 06:15:16,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:15:16,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 06:15:16,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:15:16,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 06:15:16,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:15:16,016 INFO L87 Difference]: Start difference. First operand 23236 states and 33608 transitions. Second operand has 12 states, 12 states have (on average 21.666666666666668) internal successors, (260), 5 states have internal predecessors, (260), 3 states have call successors, (51), 9 states have call predecessors, (51), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:15:41,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:15:41,884 INFO L93 Difference]: Finished difference Result 62520 states and 93608 transitions. [2021-11-20 06:15:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:15:41,885 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 21.666666666666668) internal successors, (260), 5 states have internal predecessors, (260), 3 states have call successors, (51), 9 states have call predecessors, (51), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 427 [2021-11-20 06:15:41,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:15:42,298 INFO L225 Difference]: With dead ends: 62520 [2021-11-20 06:15:42,299 INFO L226 Difference]: Without dead ends: 39311 [2021-11-20 06:15:42,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:15:42,393 INFO L933 BasicCegarLoop]: 4614 mSDtfsCounter, 10249 mSDsluCounter, 15772 mSDsCounter, 0 mSdLazyCounter, 13394 mSolverCounterSat, 9600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10761 SdHoareTripleChecker+Valid, 20386 SdHoareTripleChecker+Invalid, 22994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9600 IncrementalHoareTripleChecker+Valid, 13394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:15:42,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10761 Valid, 20386 Invalid, 22994 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9600 Valid, 13394 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2021-11-20 06:15:42,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39311 states. [2021-11-20 06:15:44,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39311 to 23888. [2021-11-20 06:15:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23888 states, 17304 states have (on average 1.3491678224687933) internal successors, (23346), 17906 states have internal predecessors, (23346), 5537 states have call successors, (5537), 1022 states have call predecessors, (5537), 1046 states have return successors, (5719), 5282 states have call predecessors, (5719), 5536 states have call successors, (5719) [2021-11-20 06:15:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23888 states to 23888 states and 34602 transitions. [2021-11-20 06:15:44,860 INFO L78 Accepts]: Start accepts. Automaton has 23888 states and 34602 transitions. Word has length 427 [2021-11-20 06:15:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:15:44,861 INFO L470 AbstractCegarLoop]: Abstraction has 23888 states and 34602 transitions. [2021-11-20 06:15:44,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 21.666666666666668) internal successors, (260), 5 states have internal predecessors, (260), 3 states have call successors, (51), 9 states have call predecessors, (51), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-20 06:15:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 23888 states and 34602 transitions. [2021-11-20 06:15:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-11-20 06:15:44,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:15:44,959 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:15:44,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 06:15:44,959 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:15:44,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:15:44,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1386094188, now seen corresponding path program 1 times [2021-11-20 06:15:44,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:15:44,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761033574] [2021-11-20 06:15:44,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:15:44,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:15:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:15:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:15:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:15:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:15:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:15:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:15:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:15:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:15:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:15:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:15:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:15:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:15:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:15:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:15:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 06:15:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:15:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:15:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:15:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 06:15:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:15:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:15:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 06:15:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 06:15:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:15:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:15:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 06:15:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 06:15:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 06:15:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 06:15:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 06:15:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 06:15:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-20 06:15:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-20 06:15:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-20 06:15:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-20 06:15:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-20 06:15:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-20 06:15:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-20 06:15:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-20 06:15:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-20 06:15:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-20 06:15:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-20 06:15:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:15:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-20 06:15:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-20 06:15:45,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:15:45,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761033574] [2021-11-20 06:15:45,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761033574] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:15:45,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475681895] [2021-11-20 06:15:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:15:45,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:15:45,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:15:45,919 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:15:45,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 06:15:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:47,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 7473 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:15:47,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:15:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 66 proven. 9 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-20 06:15:48,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:15:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-20 06:15:49,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475681895] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:15:49,590 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:15:49,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 16 [2021-11-20 06:15:49,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94032035] [2021-11-20 06:15:49,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:15:49,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 06:15:49,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:15:49,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 06:15:49,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:15:49,593 INFO L87 Difference]: Start difference. First operand 23888 states and 34602 transitions. Second operand has 16 states, 16 states have (on average 20.0625) internal successors, (321), 9 states have internal predecessors, (321), 2 states have call successors, (91), 9 states have call predecessors, (91), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2021-11-20 06:16:18,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:16:18,660 INFO L93 Difference]: Finished difference Result 76789 states and 119973 transitions. [2021-11-20 06:16:18,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 06:16:18,660 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 20.0625) internal successors, (321), 9 states have internal predecessors, (321), 2 states have call successors, (91), 9 states have call predecessors, (91), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 427 [2021-11-20 06:16:18,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:16:18,925 INFO L225 Difference]: With dead ends: 76789 [2021-11-20 06:16:18,925 INFO L226 Difference]: Without dead ends: 52928 [2021-11-20 06:16:19,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 967 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:16:19,006 INFO L933 BasicCegarLoop]: 5344 mSDtfsCounter, 12837 mSDsluCounter, 19142 mSDsCounter, 0 mSdLazyCounter, 16172 mSolverCounterSat, 10367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14398 SdHoareTripleChecker+Valid, 24486 SdHoareTripleChecker+Invalid, 26539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10367 IncrementalHoareTripleChecker+Valid, 16172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:16:19,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14398 Valid, 24486 Invalid, 26539 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10367 Valid, 16172 Invalid, 0 Unknown, 0 Unchecked, 24.2s Time] [2021-11-20 06:16:19,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52928 states. [2021-11-20 06:16:22,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52928 to 24230. [2021-11-20 06:16:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24230 states, 17646 states have (on average 1.3439306358381502) internal successors, (23715), 18248 states have internal predecessors, (23715), 5537 states have call successors, (5537), 1022 states have call predecessors, (5537), 1046 states have return successors, (5719), 5282 states have call predecessors, (5719), 5536 states have call successors, (5719) [2021-11-20 06:16:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24230 states to 24230 states and 34971 transitions. [2021-11-20 06:16:22,187 INFO L78 Accepts]: Start accepts. Automaton has 24230 states and 34971 transitions. Word has length 427 [2021-11-20 06:16:22,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:16:22,188 INFO L470 AbstractCegarLoop]: Abstraction has 24230 states and 34971 transitions. [2021-11-20 06:16:22,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 20.0625) internal successors, (321), 9 states have internal predecessors, (321), 2 states have call successors, (91), 9 states have call predecessors, (91), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2021-11-20 06:16:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 24230 states and 34971 transitions. [2021-11-20 06:16:22,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-11-20 06:16:22,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:16:22,282 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:16:22,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-20 06:16:22,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:16:22,510 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:16:22,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:16:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1488848556, now seen corresponding path program 2 times [2021-11-20 06:16:22,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:16:22,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751920094] [2021-11-20 06:16:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:16:22,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:16:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:16:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:16:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:16:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:16:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:16:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:16:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:16:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:16:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:16:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:16:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:16:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:16:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:16:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:16:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 06:16:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:16:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:16:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:16:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 06:16:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:16:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:16:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 06:16:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 06:16:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:16:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:16:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 06:16:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 06:16:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 06:16:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 06:16:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-20 06:16:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 06:16:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-20 06:16:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-20 06:16:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 06:16:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-20 06:16:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-20 06:16:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-20 06:16:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-20 06:16:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 06:16:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-20 06:16:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-20 06:16:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-20 06:16:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:24,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-20 06:16:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-20 06:16:24,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:16:24,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751920094] [2021-11-20 06:16:24,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751920094] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:16:24,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278715961] [2021-11-20 06:16:24,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:16:24,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:16:24,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:16:24,033 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:16:24,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 06:16:32,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:16:32,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:16:32,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 7506 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:16:32,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:16:33,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-20 06:16:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-20 06:16:33,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:16:33,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278715961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:16:33,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:16:33,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-11-20 06:16:33,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580205420] [2021-11-20 06:16:33,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:16:33,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:16:33,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:16:33,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:16:33,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:16:33,490 INFO L87 Difference]: Start difference. First operand 24230 states and 34971 transitions. Second operand has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-20 06:16:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:16:39,569 INFO L93 Difference]: Finished difference Result 49001 states and 70812 transitions. [2021-11-20 06:16:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:16:39,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 439 [2021-11-20 06:16:39,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:16:39,671 INFO L225 Difference]: With dead ends: 49001 [2021-11-20 06:16:39,671 INFO L226 Difference]: Without dead ends: 24798 [2021-11-20 06:16:39,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:16:39,742 INFO L933 BasicCegarLoop]: 4158 mSDtfsCounter, 45 mSDsluCounter, 11276 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 15434 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:16:39,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 15434 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-20 06:16:39,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24798 states. [2021-11-20 06:16:41,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24798 to 24254. [2021-11-20 06:16:41,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24254 states, 17670 states have (on average 1.3434634974533106) internal successors, (23739), 18272 states have internal predecessors, (23739), 5537 states have call successors, (5537), 1022 states have call predecessors, (5537), 1046 states have return successors, (5719), 5282 states have call predecessors, (5719), 5536 states have call successors, (5719) [2021-11-20 06:16:41,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24254 states to 24254 states and 34995 transitions. [2021-11-20 06:16:41,908 INFO L78 Accepts]: Start accepts. Automaton has 24254 states and 34995 transitions. Word has length 439 [2021-11-20 06:16:41,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:16:41,909 INFO L470 AbstractCegarLoop]: Abstraction has 24254 states and 34995 transitions. [2021-11-20 06:16:41,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-20 06:16:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 24254 states and 34995 transitions. [2021-11-20 06:16:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-11-20 06:16:42,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:16:42,191 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:16:42,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-20 06:16:42,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-20 06:16:42,406 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:16:42,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:16:42,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2059120362, now seen corresponding path program 1 times [2021-11-20 06:16:42,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:16:42,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511000389] [2021-11-20 06:16:42,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:16:42,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:16:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:16:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:16:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:16:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:16:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:16:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:16:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:16:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:16:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:16:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 06:16:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:16:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:16:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:16:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:16:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 06:16:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 06:16:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 06:16:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:16:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 06:16:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 06:16:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 06:16:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 06:16:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 06:16:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 06:16:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 06:16:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 06:16:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 06:16:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 06:16:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 06:16:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-20 06:16:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 06:16:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-20 06:16:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-20 06:16:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 06:16:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-20 06:16:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-20 06:16:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-20 06:16:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-20 06:16:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-20 06:16:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-20 06:16:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-20 06:16:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-20 06:16:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:16:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-20 06:16:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-20 06:16:43,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:16:43,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511000389] [2021-11-20 06:16:43,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511000389] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:16:43,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350461167] [2021-11-20 06:16:43,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:16:43,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:16:43,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:16:43,803 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:16:43,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f412b2e-7c27-4665-8f9e-8a2d16ff6eda/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 06:16:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:47,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 7504 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-20 06:16:47,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:16:47,534 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 06:16:47,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 06:16:47,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:16:47,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:16:48,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:16:48,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:16:48,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:16:48,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:16:54,861 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-20 06:16:54,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-20 06:16:57,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:17:01,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:17:02,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-20 06:17:02,760 INFO L354 Elim1Store]: treesize reduction 718, result has 11.9 percent of original size [2021-11-20 06:17:02,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 109 [2021-11-20 06:17:02,871 INFO L354 Elim1Store]: treesize reduction 32, result has 34.7 percent of original size [2021-11-20 06:17:02,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 53 [2021-11-20 06:17:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:06,717 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:17:06,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 81 [2021-11-20 06:17:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:09,668 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:17:09,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 81 [2021-11-20 06:17:12,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:12,524 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:17:12,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 81 [2021-11-20 06:17:12,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:13,548 INFO L354 Elim1Store]: treesize reduction 238, result has 15.9 percent of original size [2021-11-20 06:17:13,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 1426 treesize of output 860 [2021-11-20 06:17:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:14,651 INFO L354 Elim1Store]: treesize reduction 1521, result has 17.5 percent of original size [2021-11-20 06:17:14,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 5 stores, 2 select indices, 2 select index equivalence classes, 21 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 259 treesize of output 672 [2021-11-20 06:17:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,119 INFO L354 Elim1Store]: treesize reduction 103, result has 2.8 percent of original size [2021-11-20 06:17:15,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 148 treesize of output 116 [2021-11-20 06:17:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:15,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 106 [2021-11-20 06:17:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 106 [2021-11-20 06:17:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 106 [2021-11-20 06:17:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:16,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 106 [2021-11-20 06:17:17,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 106 [2021-11-20 06:17:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:17,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 106 [2021-11-20 06:17:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:18,747 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-20 06:17:18,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 27 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 352 treesize of output 301 [2021-11-20 06:17:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 73 [2021-11-20 06:17:24,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-11-20 06:17:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 73 [2021-11-20 06:17:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-11-20 06:17:24,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 73 [2021-11-20 06:17:24,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-11-20 06:17:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 88 [2021-11-20 06:17:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2021-11-20 06:17:24,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 166 [2021-11-20 06:17:24,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 126 [2021-11-20 06:17:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 102 [2021-11-20 06:17:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:24,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 54 [2021-11-20 06:17:26,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,000 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:17:27,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 19 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 122 treesize of output 149 [2021-11-20 06:17:27,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:27,494 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:17:27,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 49 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 15 case distinctions, treesize of input 140 treesize of output 187 [2021-11-20 06:17:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:34,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:34,784 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 06:17:34,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 40 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 15 case distinctions, treesize of input 147 treesize of output 174 [2021-11-20 06:17:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:35,650 INFO L354 Elim1Store]: treesize reduction 636, result has 17.9 percent of original size [2021-11-20 06:17:35,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 39 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 31 case distinctions, treesize of input 172 treesize of output 204 [2021-11-20 06:17:36,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:36,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,587 INFO L354 Elim1Store]: treesize reduction 652, result has 12.0 percent of original size [2021-11-20 06:17:36,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 39 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 41 case distinctions, treesize of input 198 treesize of output 234 [2021-11-20 06:17:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:36,972 INFO L354 Elim1Store]: treesize reduction 712, result has 11.1 percent of original size [2021-11-20 06:17:36,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 39 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 41 case distinctions, treesize of input 183 treesize of output 215 [2021-11-20 06:17:37,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:17:37,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:17:37,419 INFO L354 Elim1Store]: treesize reduction 425, result has 1.6 percent of original size [2021-11-20 06:17:37,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 48 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 32 case distinctions, treesize of input 178 treesize of output 210 [2021-11-20 06:17:38,260 INFO L354 Elim1Store]: treesize reduction 1750, result has 0.1 percent of original size [2021-11-20 06:17:38,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 1 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 127 case distinctions, treesize of input 178 treesize of output 76 [2021-11-20 06:17:41,571 INFO L354 Elim1Store]: treesize reduction 1750, result has 0.1 percent of original size [2021-11-20 06:17:41,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 1 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 127 case distinctions, treesize of input 170 treesize of output 74 [2021-11-20 06:18:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:18:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:34,837 INFO L354 Elim1Store]: treesize reduction 628, result has 15.2 percent of original size [2021-11-20 06:18:34,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 39 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 41 case distinctions, treesize of input 180 treesize of output 251 [2021-11-20 06:18:47,002 INFO L354 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2021-11-20 06:18:47,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 237 treesize of output 225 [2021-11-20 06:18:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:18:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:18:47,726 INFO L354 Elim1Store]: treesize reduction 718, result has 30.3 percent of original size [2021-11-20 06:18:47,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 39 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 48 case distinctions, treesize of input 211 treesize of output 410