./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 79172d5077d4821f59ec3ee2d8a7cf5ca2cb3c5c1b82d4680e26c94b2b62bba2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:09:47,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:09:47,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:09:47,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:09:47,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:09:47,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:09:47,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:09:47,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:09:47,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:09:47,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:09:47,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:09:47,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:09:47,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:09:47,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:09:47,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:09:47,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:09:47,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:09:47,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:09:47,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:09:47,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:09:47,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:09:47,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:09:47,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:09:47,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:09:47,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:09:47,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:09:47,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:09:47,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:09:47,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:09:47,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:09:47,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:09:47,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:09:47,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:09:47,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:09:47,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:09:47,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:09:47,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:09:47,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:09:47,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:09:47,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:09:47,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:09:47,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:09:47,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:09:47,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:09:47,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:09:47,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:09:47,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:09:47,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:09:47,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:09:47,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:09:47,205 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:09:47,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:09:47,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:09:47,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:09:47,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:09:47,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:09:47,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:09:47,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:09:47,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:09:47,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:09:47,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:09:47,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:09:47,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:09:47,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:09:47,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:09:47,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:09:47,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:09:47,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:09:47,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:09:47,208 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:09:47,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:09:47,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:09:47,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:09:47,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79172d5077d4821f59ec3ee2d8a7cf5ca2cb3c5c1b82d4680e26c94b2b62bba2 [2021-12-16 04:09:47,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:09:47,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:09:47,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:09:47,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:09:47,434 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:09:47,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:09:47,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dae2a6c/ecb52c7766d540ab8c5755aedd39e782/FLAG3923a5250 [2021-12-16 04:09:48,102 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:09:48,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:09:48,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dae2a6c/ecb52c7766d540ab8c5755aedd39e782/FLAG3923a5250 [2021-12-16 04:09:48,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dae2a6c/ecb52c7766d540ab8c5755aedd39e782 [2021-12-16 04:09:48,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:09:48,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:09:48,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:09:48,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:09:48,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:09:48,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:09:48" (1/1) ... [2021-12-16 04:09:48,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109bad0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:48, skipping insertion in model container [2021-12-16 04:09:48,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:09:48" (1/1) ... [2021-12-16 04:09:48,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:09:48,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:09:49,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2021-12-16 04:09:49,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:09:49,706 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:09:49,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2021-12-16 04:09:49,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:09:50,008 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:09:50,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50 WrapperNode [2021-12-16 04:09:50,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:09:50,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:09:50,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:09:50,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:09:50,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,222 INFO L137 Inliner]: procedures = 260, calls = 1808, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4518 [2021-12-16 04:09:50,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:09:50,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:09:50,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:09:50,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:09:50,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:09:50,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:09:50,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:09:50,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:09:50,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (1/1) ... [2021-12-16 04:09:50,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:09:50,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:09:50,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:09:50,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:09:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:09:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:09:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:09:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:09:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:09:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:09:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:09:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:09:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2021-12-16 04:09:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2021-12-16 04:09:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2021-12-16 04:09:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2021-12-16 04:09:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2021-12-16 04:09:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2021-12-16 04:09:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2021-12-16 04:09:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2021-12-16 04:09:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-16 04:09:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-16 04:09:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-16 04:09:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-16 04:09:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:09:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:09:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-16 04:09:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-16 04:09:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-16 04:09:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-16 04:09:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2021-12-16 04:09:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2021-12-16 04:09:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:09:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:09:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:09:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:09:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:09:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:09:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2021-12-16 04:09:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2021-12-16 04:09:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:09:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:09:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2021-12-16 04:09:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2021-12-16 04:09:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-16 04:09:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-16 04:09:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2021-12-16 04:09:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2021-12-16 04:09:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:09:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:09:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2021-12-16 04:09:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2021-12-16 04:09:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2021-12-16 04:09:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2021-12-16 04:09:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2021-12-16 04:09:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2021-12-16 04:09:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:09:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2021-12-16 04:09:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2021-12-16 04:09:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:09:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:09:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-16 04:09:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-16 04:09:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:09:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-12-16 04:09:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-12-16 04:09:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-16 04:09:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-16 04:09:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2021-12-16 04:09:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2021-12-16 04:09:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2021-12-16 04:09:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2021-12-16 04:09:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2021-12-16 04:09:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2021-12-16 04:09:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-16 04:09:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-16 04:09:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:09:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:09:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-16 04:09:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-16 04:09:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:09:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:09:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2021-12-16 04:09:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2021-12-16 04:09:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:09:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:09:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:09:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:09:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2021-12-16 04:09:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2021-12-16 04:09:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-16 04:09:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-16 04:09:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2021-12-16 04:09:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2021-12-16 04:09:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2021-12-16 04:09:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2021-12-16 04:09:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-16 04:09:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-16 04:09:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-16 04:09:50,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-16 04:09:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:09:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2021-12-16 04:09:50,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2021-12-16 04:09:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:09:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-16 04:09:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-16 04:09:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-16 04:09:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-16 04:09:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:09:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-16 04:09:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-16 04:09:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-16 04:09:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-16 04:09:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:09:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:09:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-16 04:09:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-16 04:09:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2021-12-16 04:09:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2021-12-16 04:09:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-16 04:09:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-16 04:09:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:09:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:09:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-16 04:09:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-16 04:09:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:09:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2021-12-16 04:09:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2021-12-16 04:09:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2021-12-16 04:09:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2021-12-16 04:09:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2021-12-16 04:09:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-12-16 04:09:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:09:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:09:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-16 04:09:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2021-12-16 04:09:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-16 04:09:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2021-12-16 04:09:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2021-12-16 04:09:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:09:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:09:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2021-12-16 04:09:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2021-12-16 04:09:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-16 04:09:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-16 04:09:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-16 04:09:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-16 04:09:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2021-12-16 04:09:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2021-12-16 04:09:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-16 04:09:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-16 04:09:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:09:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-16 04:09:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-16 04:09:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-12-16 04:09:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-12-16 04:09:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-16 04:09:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-16 04:09:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2021-12-16 04:09:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2021-12-16 04:09:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2021-12-16 04:09:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2021-12-16 04:09:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 04:09:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:09:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:09:51,201 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:09:51,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:09:52,170 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:09:54,699 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:09:54,711 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:09:54,711 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:09:54,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:09:54 BoogieIcfgContainer [2021-12-16 04:09:54,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:09:54,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:09:54,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:09:54,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:09:54,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:09:48" (1/3) ... [2021-12-16 04:09:54,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5bbeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:09:54, skipping insertion in model container [2021-12-16 04:09:54,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:09:50" (2/3) ... [2021-12-16 04:09:54,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5bbeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:09:54, skipping insertion in model container [2021-12-16 04:09:54,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:09:54" (3/3) ... [2021-12-16 04:09:54,720 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:09:54,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:09:54,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:09:54,759 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:09:54,763 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:09:54,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:09:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 1586 states, 1107 states have (on average 1.3965672990063234) internal successors, (1546), 1173 states have internal predecessors, (1546), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) [2021-12-16 04:09:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-16 04:09:54,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:09:54,811 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:09:54,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:09:54,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:09:54,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1754157023, now seen corresponding path program 1 times [2021-12-16 04:09:54,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:09:54,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820608525] [2021-12-16 04:09:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:09:54,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:09:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:09:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:09:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:09:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:09:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:09:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:09:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:09:55,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:09:55,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820608525] [2021-12-16 04:09:55,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820608525] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:09:55,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:09:55,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:09:55,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889805118] [2021-12-16 04:09:55,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:09:55,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:09:55,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:09:55,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:09:55,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:09:55,485 INFO L87 Difference]: Start difference. First operand has 1586 states, 1107 states have (on average 1.3965672990063234) internal successors, (1546), 1173 states have internal predecessors, (1546), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:09:59,646 INFO L93 Difference]: Finished difference Result 3330 states and 4958 transitions. [2021-12-16 04:09:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:09:59,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-16 04:09:59,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:09:59,670 INFO L225 Difference]: With dead ends: 3330 [2021-12-16 04:09:59,670 INFO L226 Difference]: Without dead ends: 1732 [2021-12-16 04:09:59,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:09:59,690 INFO L933 BasicCegarLoop]: 2108 mSDtfsCounter, 1689 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 1528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1528 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:09:59,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 2937 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1528 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-16 04:09:59,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2021-12-16 04:09:59,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1570. [2021-12-16 04:09:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1102 states have (on average 1.3874773139745917) internal successors, (1529), 1157 states have internal predecessors, (1529), 375 states have call successors, (375), 93 states have call predecessors, (375), 92 states have return successors, (371), 345 states have call predecessors, (371), 371 states have call successors, (371) [2021-12-16 04:09:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2275 transitions. [2021-12-16 04:09:59,835 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2275 transitions. Word has length 114 [2021-12-16 04:09:59,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:09:59,836 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2275 transitions. [2021-12-16 04:09:59,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2275 transitions. [2021-12-16 04:09:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-16 04:09:59,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:09:59,841 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:09:59,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:09:59,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:09:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:09:59,842 INFO L85 PathProgramCache]: Analyzing trace with hash 340574761, now seen corresponding path program 1 times [2021-12-16 04:09:59,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:09:59,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300647903] [2021-12-16 04:09:59,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:09:59,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:09:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:09:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:09:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:10:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:10:00,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:00,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300647903] [2021-12-16 04:10:00,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300647903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:00,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:00,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:00,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457068474] [2021-12-16 04:10:00,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:00,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:00,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:00,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:00,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:00,083 INFO L87 Difference]: Start difference. First operand 1570 states and 2275 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:09,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:09,876 INFO L93 Difference]: Finished difference Result 4978 states and 7479 transitions. [2021-12-16 04:10:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:10:09,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-16 04:10:09,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:09,935 INFO L225 Difference]: With dead ends: 4978 [2021-12-16 04:10:09,935 INFO L226 Difference]: Without dead ends: 3431 [2021-12-16 04:10:09,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:09,947 INFO L933 BasicCegarLoop]: 2631 mSDtfsCounter, 4041 mSDsluCounter, 3613 mSDsCounter, 0 mSdLazyCounter, 3078 mSolverCounterSat, 2185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4257 SdHoareTripleChecker+Valid, 6244 SdHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2185 IncrementalHoareTripleChecker+Valid, 3078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:09,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4257 Valid, 6244 Invalid, 5263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2185 Valid, 3078 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-12-16 04:10:09,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2021-12-16 04:10:10,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3138. [2021-12-16 04:10:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3138 states, 2203 states have (on average 1.3858374943259193) internal successors, (3053), 2313 states have internal predecessors, (3053), 742 states have call successors, (742), 184 states have call predecessors, (742), 192 states have return successors, (790), 694 states have call predecessors, (790), 738 states have call successors, (790) [2021-12-16 04:10:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 3138 states and 4585 transitions. [2021-12-16 04:10:10,087 INFO L78 Accepts]: Start accepts. Automaton has 3138 states and 4585 transitions. Word has length 114 [2021-12-16 04:10:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:10,090 INFO L470 AbstractCegarLoop]: Abstraction has 3138 states and 4585 transitions. [2021-12-16 04:10:10,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 4585 transitions. [2021-12-16 04:10:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-16 04:10:10,098 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:10,099 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:10,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:10:10,099 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:10,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:10,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1967333887, now seen corresponding path program 1 times [2021-12-16 04:10:10,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:10,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467318189] [2021-12-16 04:10:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:10,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:10:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:10:10,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:10,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467318189] [2021-12-16 04:10:10,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467318189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:10,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:10,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:10,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379860507] [2021-12-16 04:10:10,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:10,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:10,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:10,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:10,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:10,397 INFO L87 Difference]: Start difference. First operand 3138 states and 4585 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:16,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:16,938 INFO L93 Difference]: Finished difference Result 9582 states and 14467 transitions. [2021-12-16 04:10:16,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:10:16,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2021-12-16 04:10:16,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:16,974 INFO L225 Difference]: With dead ends: 9582 [2021-12-16 04:10:16,974 INFO L226 Difference]: Without dead ends: 6467 [2021-12-16 04:10:16,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:16,992 INFO L933 BasicCegarLoop]: 2337 mSDtfsCounter, 4963 mSDsluCounter, 2590 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 3173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5143 SdHoareTripleChecker+Valid, 4927 SdHoareTripleChecker+Invalid, 5131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3173 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:16,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5143 Valid, 4927 Invalid, 5131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3173 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-12-16 04:10:17,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6467 states. [2021-12-16 04:10:17,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6467 to 5881. [2021-12-16 04:10:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5881 states, 4130 states have (on average 1.3917675544794188) internal successors, (5748), 4345 states have internal predecessors, (5748), 1383 states have call successors, (1383), 350 states have call predecessors, (1383), 367 states have return successors, (1481), 1291 states have call predecessors, (1481), 1379 states have call successors, (1481) [2021-12-16 04:10:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 8612 transitions. [2021-12-16 04:10:17,169 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 8612 transitions. Word has length 115 [2021-12-16 04:10:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:17,169 INFO L470 AbstractCegarLoop]: Abstraction has 5881 states and 8612 transitions. [2021-12-16 04:10:17,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 8612 transitions. [2021-12-16 04:10:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-16 04:10:17,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:17,172 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:17,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:10:17,172 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:17,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:17,172 INFO L85 PathProgramCache]: Analyzing trace with hash 857264108, now seen corresponding path program 1 times [2021-12-16 04:10:17,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:17,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490998864] [2021-12-16 04:10:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:17,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:10:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:10:17,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:17,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490998864] [2021-12-16 04:10:17,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490998864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:17,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:17,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:17,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922073486] [2021-12-16 04:10:17,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:17,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:17,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:17,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:17,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:17,458 INFO L87 Difference]: Start difference. First operand 5881 states and 8612 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:22,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:22,258 INFO L93 Difference]: Finished difference Result 6462 states and 9660 transitions. [2021-12-16 04:10:22,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:10:22,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2021-12-16 04:10:22,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:22,292 INFO L225 Difference]: With dead ends: 6462 [2021-12-16 04:10:22,292 INFO L226 Difference]: Without dead ends: 6459 [2021-12-16 04:10:22,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:10:22,298 INFO L933 BasicCegarLoop]: 2038 mSDtfsCounter, 3618 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 1841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3836 SdHoareTripleChecker+Valid, 2854 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1841 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:22,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3836 Valid, 2854 Invalid, 2835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1841 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-16 04:10:22,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6459 states. [2021-12-16 04:10:22,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6459 to 5880. [2021-12-16 04:10:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 4130 states have (on average 1.3915254237288135) internal successors, (5747), 4344 states have internal predecessors, (5747), 1382 states have call successors, (1382), 350 states have call predecessors, (1382), 367 states have return successors, (1481), 1291 states have call predecessors, (1481), 1379 states have call successors, (1481) [2021-12-16 04:10:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 8610 transitions. [2021-12-16 04:10:22,625 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 8610 transitions. Word has length 116 [2021-12-16 04:10:22,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:22,635 INFO L470 AbstractCegarLoop]: Abstraction has 5880 states and 8610 transitions. [2021-12-16 04:10:22,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 8610 transitions. [2021-12-16 04:10:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-16 04:10:22,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:22,638 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:22,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:10:22,639 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:22,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:22,639 INFO L85 PathProgramCache]: Analyzing trace with hash 804844194, now seen corresponding path program 1 times [2021-12-16 04:10:22,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:22,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7084965] [2021-12-16 04:10:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:22,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:10:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:10:22,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:22,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7084965] [2021-12-16 04:10:22,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7084965] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:22,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:22,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:10:22,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323926291] [2021-12-16 04:10:22,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:22,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:10:22,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:22,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:10:22,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:10:22,864 INFO L87 Difference]: Start difference. First operand 5880 states and 8610 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:29,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:29,582 INFO L93 Difference]: Finished difference Result 6461 states and 9658 transitions. [2021-12-16 04:10:29,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:10:29,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 117 [2021-12-16 04:10:29,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:29,611 INFO L225 Difference]: With dead ends: 6461 [2021-12-16 04:10:29,612 INFO L226 Difference]: Without dead ends: 6429 [2021-12-16 04:10:29,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:10:29,617 INFO L933 BasicCegarLoop]: 2036 mSDtfsCounter, 3105 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 1371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 3526 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1371 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:29,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3325 Valid, 3526 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1371 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-16 04:10:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6429 states. [2021-12-16 04:10:29,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6429 to 5850. [2021-12-16 04:10:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5850 states, 4114 states have (on average 1.3920758385999028) internal successors, (5727), 4327 states have internal predecessors, (5727), 1369 states have call successors, (1369), 349 states have call predecessors, (1369), 366 states have return successors, (1469), 1279 states have call predecessors, (1469), 1367 states have call successors, (1469) [2021-12-16 04:10:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5850 states to 5850 states and 8565 transitions. [2021-12-16 04:10:29,835 INFO L78 Accepts]: Start accepts. Automaton has 5850 states and 8565 transitions. Word has length 117 [2021-12-16 04:10:29,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:29,837 INFO L470 AbstractCegarLoop]: Abstraction has 5850 states and 8565 transitions. [2021-12-16 04:10:29,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:10:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5850 states and 8565 transitions. [2021-12-16 04:10:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-16 04:10:29,844 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:29,844 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:29,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:10:29,844 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:29,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:29,845 INFO L85 PathProgramCache]: Analyzing trace with hash 604265189, now seen corresponding path program 1 times [2021-12-16 04:10:29,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:29,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138407764] [2021-12-16 04:10:29,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:29,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:10:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:10:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:10:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-16 04:10:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-16 04:10:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-16 04:10:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 04:10:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-16 04:10:30,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:30,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138407764] [2021-12-16 04:10:30,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138407764] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:30,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:30,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 04:10:30,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789637429] [2021-12-16 04:10:30,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:30,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 04:10:30,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:30,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 04:10:30,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:10:30,069 INFO L87 Difference]: Start difference. First operand 5850 states and 8565 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-16 04:10:41,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:41,889 INFO L93 Difference]: Finished difference Result 20074 states and 30434 transitions. [2021-12-16 04:10:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-16 04:10:41,891 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 169 [2021-12-16 04:10:41,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:41,970 INFO L225 Difference]: With dead ends: 20074 [2021-12-16 04:10:41,970 INFO L226 Difference]: Without dead ends: 14247 [2021-12-16 04:10:41,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-16 04:10:42,000 INFO L933 BasicCegarLoop]: 2268 mSDtfsCounter, 6456 mSDsluCounter, 4905 mSDsCounter, 0 mSdLazyCounter, 5952 mSolverCounterSat, 5077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6783 SdHoareTripleChecker+Valid, 7173 SdHoareTripleChecker+Invalid, 11029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5077 IncrementalHoareTripleChecker+Valid, 5952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:42,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6783 Valid, 7173 Invalid, 11029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5077 Valid, 5952 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2021-12-16 04:10:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14247 states. [2021-12-16 04:10:42,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14247 to 12562. [2021-12-16 04:10:42,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12562 states, 8738 states have (on average 1.384641794460975) internal successors, (12099), 9249 states have internal predecessors, (12099), 2943 states have call successors, (2943), 677 states have call predecessors, (2943), 880 states have return successors, (3810), 2917 states have call predecessors, (3810), 2941 states have call successors, (3810) [2021-12-16 04:10:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12562 states to 12562 states and 18852 transitions. [2021-12-16 04:10:42,599 INFO L78 Accepts]: Start accepts. Automaton has 12562 states and 18852 transitions. Word has length 169 [2021-12-16 04:10:42,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:42,599 INFO L470 AbstractCegarLoop]: Abstraction has 12562 states and 18852 transitions. [2021-12-16 04:10:42,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-16 04:10:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12562 states and 18852 transitions. [2021-12-16 04:10:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-16 04:10:42,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:42,615 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:42,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 04:10:42,615 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:42,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:42,616 INFO L85 PathProgramCache]: Analyzing trace with hash -563103977, now seen corresponding path program 1 times [2021-12-16 04:10:42,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:42,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411098597] [2021-12-16 04:10:42,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:42,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:10:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 04:10:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 04:10:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-16 04:10:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:10:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-16 04:10:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 04:10:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-16 04:10:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-16 04:10:42,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:42,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411098597] [2021-12-16 04:10:42,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411098597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:42,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:42,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 04:10:42,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103447303] [2021-12-16 04:10:42,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:42,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 04:10:42,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:42,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 04:10:42,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:10:42,911 INFO L87 Difference]: Start difference. First operand 12562 states and 18852 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 04:10:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:10:53,641 INFO L93 Difference]: Finished difference Result 29123 states and 44848 transitions. [2021-12-16 04:10:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 04:10:53,642 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 208 [2021-12-16 04:10:53,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:10:53,776 INFO L225 Difference]: With dead ends: 29123 [2021-12-16 04:10:53,776 INFO L226 Difference]: Without dead ends: 16584 [2021-12-16 04:10:53,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2021-12-16 04:10:53,826 INFO L933 BasicCegarLoop]: 2344 mSDtfsCounter, 5713 mSDsluCounter, 5550 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 4425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5980 SdHoareTripleChecker+Valid, 7894 SdHoareTripleChecker+Invalid, 9200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4425 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:10:53,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5980 Valid, 7894 Invalid, 9200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4425 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2021-12-16 04:10:53,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16584 states. [2021-12-16 04:10:54,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16584 to 12576. [2021-12-16 04:10:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12576 states, 8752 states have (on average 1.384026508226691) internal successors, (12113), 9263 states have internal predecessors, (12113), 2943 states have call successors, (2943), 677 states have call predecessors, (2943), 880 states have return successors, (3810), 2917 states have call predecessors, (3810), 2941 states have call successors, (3810) [2021-12-16 04:10:54,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12576 states to 12576 states and 18866 transitions. [2021-12-16 04:10:54,356 INFO L78 Accepts]: Start accepts. Automaton has 12576 states and 18866 transitions. Word has length 208 [2021-12-16 04:10:54,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:10:54,357 INFO L470 AbstractCegarLoop]: Abstraction has 12576 states and 18866 transitions. [2021-12-16 04:10:54,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 04:10:54,358 INFO L276 IsEmpty]: Start isEmpty. Operand 12576 states and 18866 transitions. [2021-12-16 04:10:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-16 04:10:54,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:54,374 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:10:54,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 04:10:54,374 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:54,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash -37150978, now seen corresponding path program 1 times [2021-12-16 04:10:54,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:54,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54557137] [2021-12-16 04:10:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:54,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:10:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:10:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 04:10:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:10:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-16 04:10:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 04:10:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-16 04:10:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:10:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 04:10:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 04:10:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-12-16 04:10:54,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:54,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54557137] [2021-12-16 04:10:54,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54557137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:54,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:54,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 04:10:54,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338305768] [2021-12-16 04:10:54,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:54,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 04:10:54,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 04:10:54,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:10:54,722 INFO L87 Difference]: Start difference. First operand 12576 states and 18866 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)