./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS --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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:20:02,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:20:02,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:20:02,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:20:02,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:20:02,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:20:02,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:20:02,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:20:02,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:20:02,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:20:02,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:20:02,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:20:02,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:20:02,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:20:02,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:20:02,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:20:02,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:20:02,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:20:02,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:20:02,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:20:02,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:20:02,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:20:02,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:20:02,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:20:02,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:20:02,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:20:02,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:20:02,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:20:02,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:20:02,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:20:02,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:20:02,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:20:02,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:20:02,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:20:02,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:20:02,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:20:02,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:20:02,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:20:02,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:20:02,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:20:02,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:20:02,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 02:20:02,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:20:02,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:20:02,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:20:02,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:20:02,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:20:02,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:20:02,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:20:02,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:20:02,224 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:20:02,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:20:02,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:20:02,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:20:02,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:20:02,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:20:02,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:20:02,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:20:02,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:20:02,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:20:02,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:20:02,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:20:02,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:20:02,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:20:02,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:20:02,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:20:02,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:20:02,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:20:02,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:20:02,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:20:02,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:20:02,233 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:20:02,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:20:02,234 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-11-23 02:20:02,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:20:02,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:20:02,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:20:02,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:20:02,618 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:20:02,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-11-23 02:20:05,902 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:20:06,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:20:06,571 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-11-23 02:20:06,614 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/data/0d91f7788/565cc569905a4c5397feecfd2a6c0ec2/FLAGb144414d9 [2022-11-23 02:20:06,632 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/data/0d91f7788/565cc569905a4c5397feecfd2a6c0ec2 [2022-11-23 02:20:06,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:20:06,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:20:06,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:20:06,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:20:06,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:20:06,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:06" (1/1) ... [2022-11-23 02:20:06,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcfb60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:06, skipping insertion in model container [2022-11-23 02:20:06,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:06" (1/1) ... [2022-11-23 02:20:06,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:20:06,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:20:09,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-11-23 02:20:09,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:20:09,326 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:20:09,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-11-23 02:20:09,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:20:10,005 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:20:10,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10 WrapperNode [2022-11-23 02:20:10,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:20:10,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:20:10,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:20:10,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:20:10,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,270 INFO L138 Inliner]: procedures = 299, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4709 [2022-11-23 02:20:10,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:20:10,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:20:10,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:20:10,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:20:10,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,649 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:20:10,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:20:10,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:20:10,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:20:10,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (1/1) ... [2022-11-23 02:20:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:20:10,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:20:10,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:20:10,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:20:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-11-23 02:20:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-11-23 02:20:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2022-11-23 02:20:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2022-11-23 02:20:10,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-23 02:20:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-23 02:20:10,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 02:20:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 02:20:10,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 02:20:10,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 02:20:10,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 02:20:10,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 02:20:10,788 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 02:20:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 02:20:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-11-23 02:20:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-11-23 02:20:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 02:20:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 02:20:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 02:20:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 02:20:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2022-11-23 02:20:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2022-11-23 02:20:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 02:20:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 02:20:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-23 02:20:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-23 02:20:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-11-23 02:20:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-11-23 02:20:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-11-23 02:20:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-11-23 02:20:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-11-23 02:20:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-11-23 02:20:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 02:20:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 02:20:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 02:20:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 02:20:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 02:20:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 02:20:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-23 02:20:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-23 02:20:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 02:20:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 02:20:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 02:20:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 02:20:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 02:20:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 02:20:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-11-23 02:20:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-11-23 02:20:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2022-11-23 02:20:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2022-11-23 02:20:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 02:20:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 02:20:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 02:20:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 02:20:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-23 02:20:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-23 02:20:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-11-23 02:20:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-11-23 02:20:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:20:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-11-23 02:20:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-11-23 02:20:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 02:20:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 02:20:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-23 02:20:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-23 02:20:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:20:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 02:20:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 02:20:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 02:20:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 02:20:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 02:20:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 02:20:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2022-11-23 02:20:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2022-11-23 02:20:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 02:20:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 02:20:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-23 02:20:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-23 02:20:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 02:20:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 02:20:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 02:20:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 02:20:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:20:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 02:20:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-11-23 02:20:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-11-23 02:20:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-23 02:20:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-23 02:20:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-11-23 02:20:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-11-23 02:20:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-23 02:20:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-23 02:20:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-23 02:20:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-23 02:20:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 02:20:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 02:20:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 02:20:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 02:20:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 02:20:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 02:20:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-23 02:20:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-23 02:20:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-11-23 02:20:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-11-23 02:20:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-11-23 02:20:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-11-23 02:20:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 02:20:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 02:20:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-11-23 02:20:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-11-23 02:20:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-11-23 02:20:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-11-23 02:20:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-11-23 02:20:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-11-23 02:20:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:20:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 02:20:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 02:20:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2022-11-23 02:20:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2022-11-23 02:20:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 02:20:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 02:20:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 02:20:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 02:20:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 02:20:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 02:20:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 02:20:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 02:20:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-11-23 02:20:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-11-23 02:20:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-11-23 02:20:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-11-23 02:20:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-11-23 02:20:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-11-23 02:20:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-23 02:20:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-23 02:20:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-11-23 02:20:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-11-23 02:20:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-11-23 02:20:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-11-23 02:20:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 02:20:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 02:20:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:20:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 02:20:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 02:20:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-11-23 02:20:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-11-23 02:20:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-11-23 02:20:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-11-23 02:20:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-11-23 02:20:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-11-23 02:20:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 02:20:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 02:20:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-11-23 02:20:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-11-23 02:20:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-11-23 02:20:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-11-23 02:20:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 02:20:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 02:20:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:20:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-23 02:20:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-23 02:20:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 02:20:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 02:20:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-23 02:20:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-23 02:20:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-11-23 02:20:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-11-23 02:20:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 02:20:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 02:20:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:20:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-11-23 02:20:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-11-23 02:20:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 02:20:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 02:20:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 02:20:10,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 02:20:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:20:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 02:20:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 02:20:10,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 02:20:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-11-23 02:20:10,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-11-23 02:20:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-23 02:20:10,820 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-23 02:20:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-11-23 02:20:10,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-11-23 02:20:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-11-23 02:20:10,821 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-11-23 02:20:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2022-11-23 02:20:10,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2022-11-23 02:20:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 02:20:10,821 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 02:20:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-23 02:20:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-23 02:20:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-23 02:20:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-23 02:20:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 02:20:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 02:20:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-23 02:20:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-23 02:20:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-11-23 02:20:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-11-23 02:20:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:20:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-23 02:20:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-11-23 02:20:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-11-23 02:20:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-23 02:20:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-23 02:20:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 02:20:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 02:20:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:20:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:20:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 02:20:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 02:20:11,653 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:20:11,661 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:20:12,523 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 02:20:16,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret317#1;havoc tlan_eisa_probe_#t~ret317#1; [2022-11-23 02:20:16,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret317#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-23 02:20:16,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2022-11-23 02:20:16,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2022-11-23 02:20:16,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-23 02:20:16,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret318#1;havoc tlan_eisa_probe_#t~ret318#1; [2022-11-23 02:20:16,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret318#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-23 02:20:16,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2022-11-23 02:20:16,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2022-11-23 02:20:16,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-23 02:20:16,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret319#1;havoc tlan_eisa_probe_#t~ret319#1; [2022-11-23 02:20:16,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret319#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-23 02:20:16,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2022-11-23 02:20:16,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2022-11-23 02:20:16,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet325#1; [2022-11-23 02:20:16,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume !(16 == ~debug~0); [2022-11-23 02:20:16,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-23 02:20:16,491 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet320#1; [2022-11-23 02:20:16,491 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2022-11-23 02:20:16,491 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret321#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-23 02:20:16,491 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret321#1;havoc tlan_eisa_probe_#t~ret321#1;tlan_eisa_probe_#t~switch322#1 := 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-23 02:20:16,491 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch322#1; [2022-11-23 02:20:16,491 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 5; [2022-11-23 02:20:16,491 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := tlan_eisa_probe_#t~switch322#1 || 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-23 02:20:16,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 9; [2022-11-23 02:20:16,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := tlan_eisa_probe_#t~switch322#1 || 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-23 02:20:16,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 10; [2022-11-23 02:20:16,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := tlan_eisa_probe_#t~switch322#1 || 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-23 02:20:16,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 11; [2022-11-23 02:20:16,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := true; [2022-11-23 02:20:16,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch322#1; [2022-11-23 02:20:16,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch322#1; [2022-11-23 02:20:16,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet324#1; [2022-11-23 02:20:16,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume !(16 == ~debug~0); [2022-11-23 02:20:16,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret323#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2022-11-23 02:20:16,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret323#1 && tlan_eisa_probe_#t~ret323#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret323#1;havoc tlan_eisa_probe_#t~ret323#1; [2022-11-23 02:20:16,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-23 02:20:16,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-23 02:20:16,494 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret311#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-23 02:20:16,494 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret311#1;havoc tlan_eisa_probe_#t~ret311#1;havoc tlan_eisa_probe_#t~nondet312#1; [2022-11-23 02:20:16,494 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2022-11-23 02:20:16,494 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)));havoc tlan_eisa_probe_#t~nondet315#1; [2022-11-23 02:20:16,494 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-23 02:20:16,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret313#1;havoc tlan_eisa_probe_#t~ret313#1;havoc tlan_eisa_probe_#t~nondet314#1; [2022-11-23 02:20:16,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret313#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-23 02:20:16,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: call tlan_eisa_probe_#t~ret316#1.base, tlan_eisa_probe_#t~ret316#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret316#1.base, tlan_eisa_probe_#t~ret316#1.offset;havoc tlan_eisa_probe_#t~ret316#1.base, tlan_eisa_probe_#t~ret316#1.offset; [2022-11-23 02:20:16,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2022-11-23 02:20:16,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2022-11-23 02:20:16,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-23 02:20:16,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-23 02:20:16,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2022-11-23 02:20:16,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2022-11-23 02:20:16,703 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:20:16,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:20:16,722 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:20:16,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:16 BoogieIcfgContainer [2022-11-23 02:20:16,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:20:16,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:20:16,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:20:16,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:20:16,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:06" (1/3) ... [2022-11-23 02:20:16,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603fb666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:16, skipping insertion in model container [2022-11-23 02:20:16,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:10" (2/3) ... [2022-11-23 02:20:16,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603fb666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:16, skipping insertion in model container [2022-11-23 02:20:16,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:16" (3/3) ... [2022-11-23 02:20:16,736 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-11-23 02:20:16,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:20:16,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:20:16,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:20:16,866 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cf40d67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:20:16,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:20:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 2018 states, 1347 states have (on average 1.3155159613956942) internal successors, (1772), 1395 states have internal predecessors, (1772), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) [2022-11-23 02:20:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-23 02:20:16,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:20:16,915 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:20:16,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:20:16,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:20:16,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1807856476, now seen corresponding path program 1 times [2022-11-23 02:20:16,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:20:16,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172841086] [2022-11-23 02:20:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:20:16,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:20:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:20:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:20:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:20:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:20:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:20:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:20:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:20:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:20:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:20:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:20:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:20:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 02:20:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-23 02:20:18,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:20:18,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172841086] [2022-11-23 02:20:18,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172841086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:20:18,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:20:18,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:20:18,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764669616] [2022-11-23 02:20:18,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:20:18,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:20:18,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:20:18,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:20:18,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:20:18,445 INFO L87 Difference]: Start difference. First operand has 2018 states, 1347 states have (on average 1.3155159613956942) internal successors, (1772), 1395 states have internal predecessors, (1772), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 02:20:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:20:25,026 INFO L93 Difference]: Finished difference Result 4256 states and 6203 transitions. [2022-11-23 02:20:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:20:25,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 196 [2022-11-23 02:20:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:20:25,071 INFO L225 Difference]: With dead ends: 4256 [2022-11-23 02:20:25,071 INFO L226 Difference]: Without dead ends: 2200 [2022-11-23 02:20:25,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:20:25,099 INFO L413 NwaCegarLoop]: 1875 mSDtfsCounter, 2374 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 2612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2401 SdHoareTripleChecker+Valid, 2896 SdHoareTripleChecker+Invalid, 4325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2612 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:20:25,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2401 Valid, 2896 Invalid, 4325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2612 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-23 02:20:25,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2022-11-23 02:20:25,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 1975. [2022-11-23 02:20:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1321 states have (on average 1.3088569265707797) internal successors, (1729), 1359 states have internal predecessors, (1729), 556 states have call successors, (556), 98 states have call predecessors, (556), 97 states have return successors, (555), 544 states have call predecessors, (555), 555 states have call successors, (555) [2022-11-23 02:20:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2840 transitions. [2022-11-23 02:20:25,404 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2840 transitions. Word has length 196 [2022-11-23 02:20:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:20:25,405 INFO L495 AbstractCegarLoop]: Abstraction has 1975 states and 2840 transitions. [2022-11-23 02:20:25,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 02:20:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2840 transitions. [2022-11-23 02:20:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-23 02:20:25,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:20:25,428 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:20:25,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:20:25,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:20:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:20:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1230181367, now seen corresponding path program 1 times [2022-11-23 02:20:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:20:25,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65497327] [2022-11-23 02:20:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:20:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:20:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:20:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:20:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:20:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:20:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:20:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:20:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:20:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:20:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:20:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:20:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 02:20:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:20:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-23 02:20:26,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:20:26,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65497327] [2022-11-23 02:20:26,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65497327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:20:26,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:20:26,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 02:20:26,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435197343] [2022-11-23 02:20:26,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:20:26,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 02:20:26,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:20:26,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:20:26,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 02:20:26,563 INFO L87 Difference]: Start difference. First operand 1975 states and 2840 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 02:20:41,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:20:41,114 INFO L93 Difference]: Finished difference Result 6298 states and 9183 transitions. [2022-11-23 02:20:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 02:20:41,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 190 [2022-11-23 02:20:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:20:41,152 INFO L225 Difference]: With dead ends: 6298 [2022-11-23 02:20:41,153 INFO L226 Difference]: Without dead ends: 4352 [2022-11-23 02:20:41,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-23 02:20:41,170 INFO L413 NwaCegarLoop]: 2384 mSDtfsCounter, 6167 mSDsluCounter, 4652 mSDsCounter, 0 mSdLazyCounter, 6151 mSolverCounterSat, 5326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6423 SdHoareTripleChecker+Valid, 7036 SdHoareTripleChecker+Invalid, 11477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5326 IncrementalHoareTripleChecker+Valid, 6151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-23 02:20:41,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6423 Valid, 7036 Invalid, 11477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5326 Valid, 6151 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2022-11-23 02:20:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4352 states. [2022-11-23 02:20:41,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4352 to 3947. [2022-11-23 02:20:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 2654 states have (on average 1.2980406932931425) internal successors, (3445), 2731 states have internal predecessors, (3445), 1097 states have call successors, (1097), 191 states have call predecessors, (1097), 195 states have return successors, (1122), 1078 states have call predecessors, (1122), 1096 states have call successors, (1122) [2022-11-23 02:20:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5664 transitions. [2022-11-23 02:20:41,438 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5664 transitions. Word has length 190 [2022-11-23 02:20:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:20:41,439 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 5664 transitions. [2022-11-23 02:20:41,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 02:20:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5664 transitions. [2022-11-23 02:20:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-23 02:20:41,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:20:41,450 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:20:41,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:20:41,450 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:20:41,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:20:41,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2011113264, now seen corresponding path program 1 times [2022-11-23 02:20:41,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:20:41,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914089345] [2022-11-23 02:20:41,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:20:41,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:20:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:20:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:20:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:20:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:20:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:41,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:20:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:20:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:20:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:20:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:20:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:20:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 02:20:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:20:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:20:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:20:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-11-23 02:20:42,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:20:42,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914089345] [2022-11-23 02:20:42,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914089345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:20:42,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:20:42,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:20:42,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750668035] [2022-11-23 02:20:42,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:20:42,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:20:42,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:20:42,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:20:42,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:20:42,219 INFO L87 Difference]: Start difference. First operand 3947 states and 5664 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 02:20:55,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:20:55,754 INFO L93 Difference]: Finished difference Result 11914 states and 17212 transitions. [2022-11-23 02:20:55,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:20:55,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 208 [2022-11-23 02:20:55,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:20:55,831 INFO L225 Difference]: With dead ends: 11914 [2022-11-23 02:20:55,831 INFO L226 Difference]: Without dead ends: 7996 [2022-11-23 02:20:55,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:20:55,864 INFO L413 NwaCegarLoop]: 2227 mSDtfsCounter, 4571 mSDsluCounter, 4541 mSDsCounter, 0 mSdLazyCounter, 5493 mSolverCounterSat, 3593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4803 SdHoareTripleChecker+Valid, 6768 SdHoareTripleChecker+Invalid, 9086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3593 IncrementalHoareTripleChecker+Valid, 5493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-23 02:20:55,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4803 Valid, 6768 Invalid, 9086 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3593 Valid, 5493 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2022-11-23 02:20:55,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7996 states. [2022-11-23 02:20:56,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7996 to 7328. [2022-11-23 02:20:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7328 states, 4878 states have (on average 1.295407954079541) internal successors, (6319), 5021 states have internal predecessors, (6319), 2090 states have call successors, (2090), 351 states have call predecessors, (2090), 359 states have return successors, (2139), 2053 states have call predecessors, (2139), 2089 states have call successors, (2139) [2022-11-23 02:20:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7328 states to 7328 states and 10548 transitions. [2022-11-23 02:20:56,431 INFO L78 Accepts]: Start accepts. Automaton has 7328 states and 10548 transitions. Word has length 208 [2022-11-23 02:20:56,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:20:56,432 INFO L495 AbstractCegarLoop]: Abstraction has 7328 states and 10548 transitions. [2022-11-23 02:20:56,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 02:20:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7328 states and 10548 transitions. [2022-11-23 02:20:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-23 02:20:56,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:20:56,444 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:20:56,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:20:56,444 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:20:56,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:20:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1400186609, now seen corresponding path program 1 times [2022-11-23 02:20:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:20:56,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050062598] [2022-11-23 02:20:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:20:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:20:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:20:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:20:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:20:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:20:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:20:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:20:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:20:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:20:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:20:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:20:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:20:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:20:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-23 02:20:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:20:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:20:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 02:20:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:20:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:20:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-23 02:20:57,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:20:57,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050062598] [2022-11-23 02:20:57,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050062598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:20:57,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:20:57,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 02:20:57,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095261597] [2022-11-23 02:20:57,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:20:57,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 02:20:57,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:20:57,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:20:57,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 02:20:57,144 INFO L87 Difference]: Start difference. First operand 7328 states and 10548 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 02:21:13,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:13,241 INFO L93 Difference]: Finished difference Result 25444 states and 38239 transitions. [2022-11-23 02:21:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 02:21:13,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 211 [2022-11-23 02:21:13,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:13,518 INFO L225 Difference]: With dead ends: 25444 [2022-11-23 02:21:13,519 INFO L226 Difference]: Without dead ends: 18149 [2022-11-23 02:21:13,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-23 02:21:13,581 INFO L413 NwaCegarLoop]: 2046 mSDtfsCounter, 7110 mSDsluCounter, 4422 mSDsCounter, 0 mSdLazyCounter, 6940 mSolverCounterSat, 6749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7446 SdHoareTripleChecker+Valid, 6468 SdHoareTripleChecker+Invalid, 13689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6749 IncrementalHoareTripleChecker+Valid, 6940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:13,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7446 Valid, 6468 Invalid, 13689 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6749 Valid, 6940 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-11-23 02:21:13,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18149 states. [2022-11-23 02:21:14,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18149 to 13562. [2022-11-23 02:21:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13562 states, 8951 states have (on average 1.2867835995978103) internal successors, (11518), 9247 states have internal predecessors, (11518), 3934 states have call successors, (3934), 661 states have call predecessors, (3934), 676 states have return successors, (4021), 3847 states have call predecessors, (4021), 3933 states have call successors, (4021) [2022-11-23 02:21:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13562 states to 13562 states and 19473 transitions. [2022-11-23 02:21:14,899 INFO L78 Accepts]: Start accepts. Automaton has 13562 states and 19473 transitions. Word has length 211 [2022-11-23 02:21:14,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:14,900 INFO L495 AbstractCegarLoop]: Abstraction has 13562 states and 19473 transitions. [2022-11-23 02:21:14,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 02:21:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 13562 states and 19473 transitions. [2022-11-23 02:21:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-23 02:21:14,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:14,908 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:21:14,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:21:14,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:14,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:14,909 INFO L85 PathProgramCache]: Analyzing trace with hash -702239753, now seen corresponding path program 1 times [2022-11-23 02:21:14,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:14,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589923958] [2022-11-23 02:21:14,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:14,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:21:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:21:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:21:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:21:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:21:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:21:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:21:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:21:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:21:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:21:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-23 02:21:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:21:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 02:21:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 02:21:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 02:21:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-23 02:21:15,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:15,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589923958] [2022-11-23 02:21:15,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589923958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:15,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:21:15,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:21:15,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898053078] [2022-11-23 02:21:15,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:15,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 02:21:15,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 02:21:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:21:15,901 INFO L87 Difference]: Start difference. First operand 13562 states and 19473 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 02:21:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:35,918 INFO L93 Difference]: Finished difference Result 49814 states and 74882 transitions. [2022-11-23 02:21:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 02:21:35,923 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 211 [2022-11-23 02:21:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:36,267 INFO L225 Difference]: With dead ends: 49814 [2022-11-23 02:21:36,267 INFO L226 Difference]: Without dead ends: 36285 [2022-11-23 02:21:36,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-23 02:21:36,383 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 9856 mSDsluCounter, 7335 mSDsCounter, 0 mSdLazyCounter, 10318 mSolverCounterSat, 9374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10233 SdHoareTripleChecker+Valid, 9515 SdHoareTripleChecker+Invalid, 19692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9374 IncrementalHoareTripleChecker+Valid, 10318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:36,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10233 Valid, 9515 Invalid, 19692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9374 Valid, 10318 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2022-11-23 02:21:36,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36285 states. [2022-11-23 02:21:38,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36285 to 27080. [2022-11-23 02:21:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27080 states, 17865 states have (on average 1.286202071088721) internal successors, (22978), 18489 states have internal predecessors, (22978), 7856 states have call successors, (7856), 1327 states have call predecessors, (7856), 1358 states have return successors, (8023), 7651 states have call predecessors, (8023), 7855 states have call successors, (8023) [2022-11-23 02:21:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27080 states to 27080 states and 38857 transitions. [2022-11-23 02:21:39,213 INFO L78 Accepts]: Start accepts. Automaton has 27080 states and 38857 transitions. Word has length 211 [2022-11-23 02:21:39,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:39,214 INFO L495 AbstractCegarLoop]: Abstraction has 27080 states and 38857 transitions. [2022-11-23 02:21:39,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 02:21:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 27080 states and 38857 transitions. [2022-11-23 02:21:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-23 02:21:39,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:39,222 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:21:39,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:21:39,222 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:39,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:39,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1183268886, now seen corresponding path program 1 times [2022-11-23 02:21:39,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:39,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666596933] [2022-11-23 02:21:39,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:39,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:21:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:21:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:21:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:21:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:21:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:21:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:21:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:21:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:21:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:21:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 02:21:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:21:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:21:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-23 02:21:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-23 02:21:40,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:40,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666596933] [2022-11-23 02:21:40,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666596933] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:21:40,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639372168] [2022-11-23 02:21:40,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:40,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:21:40,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:21:40,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:21:40,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:21:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:41,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:21:41,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:21:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-23 02:21:41,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:21:41,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639372168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:41,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:21:41,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-23 02:21:41,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610861008] [2022-11-23 02:21:41,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:41,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:21:41,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:41,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:21:41,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:21:41,581 INFO L87 Difference]: Start difference. First operand 27080 states and 38857 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-23 02:21:43,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:21:43,919 INFO L93 Difference]: Finished difference Result 54367 states and 78211 transitions. [2022-11-23 02:21:43,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:21:43,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 212 [2022-11-23 02:21:43,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:21:44,140 INFO L225 Difference]: With dead ends: 54367 [2022-11-23 02:21:44,140 INFO L226 Difference]: Without dead ends: 27320 [2022-11-23 02:21:44,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:21:44,327 INFO L413 NwaCegarLoop]: 2837 mSDtfsCounter, 9 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5664 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:21:44,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5664 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 02:21:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27320 states. [2022-11-23 02:21:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27320 to 27192. [2022-11-23 02:21:46,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27192 states, 17961 states have (on average 1.2855631646344858) internal successors, (23090), 18585 states have internal predecessors, (23090), 7872 states have call successors, (7872), 1327 states have call predecessors, (7872), 1358 states have return successors, (8039), 7667 states have call predecessors, (8039), 7871 states have call successors, (8039) [2022-11-23 02:21:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27192 states to 27192 states and 39001 transitions. [2022-11-23 02:21:46,968 INFO L78 Accepts]: Start accepts. Automaton has 27192 states and 39001 transitions. Word has length 212 [2022-11-23 02:21:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:21:46,971 INFO L495 AbstractCegarLoop]: Abstraction has 27192 states and 39001 transitions. [2022-11-23 02:21:46,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-23 02:21:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 27192 states and 39001 transitions. [2022-11-23 02:21:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-23 02:21:46,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:21:46,979 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:21:47,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:21:47,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 02:21:47,192 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:21:47,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:21:47,192 INFO L85 PathProgramCache]: Analyzing trace with hash -235709653, now seen corresponding path program 1 times [2022-11-23 02:21:47,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:21:47,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041176919] [2022-11-23 02:21:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:21:47,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:21:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:21:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:21:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:21:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:21:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:21:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:21:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:21:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:21:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:21:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:21:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:21:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:21:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-23 02:21:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-23 02:21:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:21:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 02:21:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:21:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:21:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-23 02:21:48,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:21:48,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041176919] [2022-11-23 02:21:48,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041176919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:21:48,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:21:48,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:21:48,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486637339] [2022-11-23 02:21:48,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:21:48,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 02:21:48,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:21:48,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 02:21:48,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:21:48,324 INFO L87 Difference]: Start difference. First operand 27192 states and 39001 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 02:22:12,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:22:12,310 INFO L93 Difference]: Finished difference Result 99916 states and 150022 transitions. [2022-11-23 02:22:12,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 02:22:12,310 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 212 [2022-11-23 02:22:12,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:22:12,999 INFO L225 Difference]: With dead ends: 99916 [2022-11-23 02:22:13,000 INFO L226 Difference]: Without dead ends: 72757 [2022-11-23 02:22:13,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-23 02:22:13,253 INFO L413 NwaCegarLoop]: 2052 mSDtfsCounter, 8368 mSDsluCounter, 7760 mSDsCounter, 0 mSdLazyCounter, 11351 mSolverCounterSat, 7449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8745 SdHoareTripleChecker+Valid, 9812 SdHoareTripleChecker+Invalid, 18800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7449 IncrementalHoareTripleChecker+Valid, 11351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-23 02:22:13,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8745 Valid, 9812 Invalid, 18800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7449 Valid, 11351 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2022-11-23 02:22:13,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72757 states. [2022-11-23 02:22:18,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72757 to 54372. [2022-11-23 02:22:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54372 states, 35925 states have (on average 1.2849547668754349) internal successors, (46162), 37165 states have internal predecessors, (46162), 15724 states have call successors, (15724), 2659 states have call predecessors, (15724), 2722 states have return successors, (16043), 15323 states have call predecessors, (16043), 15723 states have call successors, (16043) [2022-11-23 02:22:18,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54372 states to 54372 states and 77929 transitions. [2022-11-23 02:22:18,508 INFO L78 Accepts]: Start accepts. Automaton has 54372 states and 77929 transitions. Word has length 212 [2022-11-23 02:22:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:22:18,509 INFO L495 AbstractCegarLoop]: Abstraction has 54372 states and 77929 transitions. [2022-11-23 02:22:18,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 02:22:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 54372 states and 77929 transitions. [2022-11-23 02:22:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-23 02:22:18,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:22:18,518 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:22:18,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 02:22:18,518 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:22:18,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:22:18,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1389836794, now seen corresponding path program 1 times [2022-11-23 02:22:18,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:22:18,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553918936] [2022-11-23 02:22:18,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:22:18,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:22:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:22:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:22:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:22:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:22:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:22:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:22:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:22:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:22:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:22:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:22:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:22:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:22:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-23 02:22:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-23 02:22:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 02:22:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 02:22:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 02:22:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:22:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-23 02:22:19,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:22:19,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553918936] [2022-11-23 02:22:19,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553918936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:22:19,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:22:19,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:22:19,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239430891] [2022-11-23 02:22:19,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:22:19,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 02:22:19,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:22:19,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 02:22:19,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:22:19,594 INFO L87 Difference]: Start difference. First operand 54372 states and 77929 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 02:22:49,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:22:49,811 INFO L93 Difference]: Finished difference Result 199868 states and 299814 transitions. [2022-11-23 02:22:49,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 02:22:49,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 213 [2022-11-23 02:22:49,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:22:51,320 INFO L225 Difference]: With dead ends: 199868 [2022-11-23 02:22:51,320 INFO L226 Difference]: Without dead ends: 145529 [2022-11-23 02:22:51,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-23 02:22:51,862 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 8140 mSDsluCounter, 8620 mSDsCounter, 0 mSdLazyCounter, 12421 mSolverCounterSat, 7418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8524 SdHoareTripleChecker+Valid, 10657 SdHoareTripleChecker+Invalid, 19839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7418 IncrementalHoareTripleChecker+Valid, 12421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-23 02:22:51,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8524 Valid, 10657 Invalid, 19839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7418 Valid, 12421 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-11-23 02:22:52,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145529 states. [2022-11-23 02:23:00,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145529 to 108768. [2022-11-23 02:23:00,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108768 states, 71889 states have (on average 1.284452419702597) internal successors, (92338), 74353 states have internal predecessors, (92338), 31420 states have call successors, (31420), 5331 states have call predecessors, (31420), 5458 states have return successors, (32027), 30635 states have call predecessors, (32027), 31419 states have call successors, (32027) [2022-11-23 02:23:01,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108768 states to 108768 states and 155785 transitions. [2022-11-23 02:23:01,530 INFO L78 Accepts]: Start accepts. Automaton has 108768 states and 155785 transitions. Word has length 213 [2022-11-23 02:23:01,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:23:01,531 INFO L495 AbstractCegarLoop]: Abstraction has 108768 states and 155785 transitions. [2022-11-23 02:23:01,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 02:23:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 108768 states and 155785 transitions. [2022-11-23 02:23:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-23 02:23:01,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:23:01,540 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:23:01,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 02:23:01,540 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:23:01,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:23:01,541 INFO L85 PathProgramCache]: Analyzing trace with hash -517786074, now seen corresponding path program 1 times [2022-11-23 02:23:01,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:23:01,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358140884] [2022-11-23 02:23:01,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:23:01,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:23:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:23:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 02:23:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 02:23:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:23:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:23:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 02:23:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 02:23:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:23:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 02:23:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:23:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 02:23:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 02:23:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:23:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:23:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:23:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-23 02:23:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-23 02:23:02,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:23:02,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358140884] [2022-11-23 02:23:02,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358140884] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:23:02,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587634058] [2022-11-23 02:23:02,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:23:02,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:23:02,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:23:02,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:23:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14d65a6-f22f-42ea-8893-45e6a4f54703/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 02:23:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:23:03,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 3328 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 02:23:03,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:23:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-23 02:23:03,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:23:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-23 02:23:03,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587634058] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:23:03,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:23:03,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-11-23 02:23:03,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212620934] [2022-11-23 02:23:03,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:23:03,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 02:23:03,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:23:03,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 02:23:03,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:23:03,942 INFO L87 Difference]: Start difference. First operand 108768 states and 155785 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21)