./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-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 ae007674 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_2a-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 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:08:05,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:08:05,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:08:05,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:08:05,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:08:05,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:08:05,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:08:05,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:08:05,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:08:05,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:08:05,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:08:05,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:08:05,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:08:05,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:08:05,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:08:05,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:08:05,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:08:05,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:08:05,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:08:05,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:08:05,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:08:05,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:08:05,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:08:05,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:08:05,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:08:05,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:08:05,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:08:05,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:08:05,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:08:05,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:08:05,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:08:05,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:08:05,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:08:05,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:08:05,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:08:05,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:08:05,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:08:05,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:08:05,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:08:05,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:08:05,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:08:05,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:08:05,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:08:05,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:08:05,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:08:05,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:08:05,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:08:05,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:08:05,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:08:05,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:08:05,476 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:08:05,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:08:05,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:08:05,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:08:05,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:08:05,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:08:05,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:08:05,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:08:05,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:08:05,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:08:05,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:08:05,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:08:05,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:08:05,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:08:05,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:08:05,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:08:05,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:08:05,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:08:05,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:08:05,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:08:05,479 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:08:05,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:08:05,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 [2021-12-28 04:08:05,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:08:05,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:08:05,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:08:05,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:08:05,877 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:08:05,891 INFO L432 ainManager$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_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:08:05,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/737bfcfa4/99293579d7164ce1bcd15144111dd889/FLAG619b2e46f [2021-12-28 04:08:06,642 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:08:06,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:08:06,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/737bfcfa4/99293579d7164ce1bcd15144111dd889/FLAG619b2e46f [2021-12-28 04:08:06,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/737bfcfa4/99293579d7164ce1bcd15144111dd889 [2021-12-28 04:08:06,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:08:06,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:08:06,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:08:06,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:08:06,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:08:06,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:08:06" (1/1) ... [2021-12-28 04:08:06,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ff22ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:06, skipping insertion in model container [2021-12-28 04:08:06,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:08:06" (1/1) ... [2021-12-28 04:08:06,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:08:07,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:08:08,132 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_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2021-12-28 04:08:08,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:08:08,187 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:08:08,481 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_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2021-12-28 04:08:08,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:08:08,574 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:08:08,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08 WrapperNode [2021-12-28 04:08:08,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:08:08,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:08:08,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:08:08,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:08:08,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,772 INFO L137 Inliner]: procedures = 257, calls = 1800, calls flagged for inlining = 103, calls inlined = 99, statements flattened = 4507 [2021-12-28 04:08:08,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:08:08,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:08:08,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:08:08,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:08:08,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:08,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:08:08,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:08:08,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:08:08,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:08:08,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (1/1) ... [2021-12-28 04:08:09,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:08:09,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:08:09,020 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) [2021-12-28 04:08:09,038 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 [2021-12-28 04:08:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:08:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:08:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:08:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:08:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:08:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:08:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:08:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:08:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2021-12-28 04:08:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2021-12-28 04:08:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2021-12-28 04:08:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2021-12-28 04:08:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2021-12-28 04:08:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2021-12-28 04:08:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2021-12-28 04:08:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2021-12-28 04:08:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-28 04:08:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-28 04:08:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-28 04:08:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-28 04:08:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:08:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:08:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-28 04:08:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-28 04:08:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 04:08:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 04:08:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2021-12-28 04:08:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2021-12-28 04:08:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:08:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:08:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:08:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:08:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:08:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:08:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2021-12-28 04:08:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2021-12-28 04:08:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:08:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:08:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2021-12-28 04:08:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2021-12-28 04:08:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:08:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:08:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2021-12-28 04:08:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2021-12-28 04:08:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:08:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:08:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2021-12-28 04:08:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2021-12-28 04:08:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2021-12-28 04:08:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2021-12-28 04:08:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2021-12-28 04:08:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2021-12-28 04:08:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:08:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2021-12-28 04:08:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2021-12-28 04:08:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:08:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:08:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-28 04:08:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-28 04:08:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:08:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-12-28 04:08:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-12-28 04:08:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:08:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:08:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2021-12-28 04:08:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2021-12-28 04:08:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2021-12-28 04:08:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2021-12-28 04:08:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2021-12-28 04:08:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2021-12-28 04:08:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-28 04:08:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-28 04:08:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:08:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:08:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:08:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:08:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:08:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:08:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2021-12-28 04:08:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2021-12-28 04:08:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:08:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:08:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:08:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:08:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2021-12-28 04:08:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2021-12-28 04:08:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-28 04:08:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-28 04:08:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2021-12-28 04:08:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2021-12-28 04:08:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2021-12-28 04:08:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2021-12-28 04:08:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 04:08:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 04:08:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:08:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2021-12-28 04:08:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2021-12-28 04:08:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:08:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-28 04:08:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-28 04:08:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-28 04:08:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-28 04:08:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:08:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-28 04:08:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-28 04:08:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-28 04:08:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-28 04:08:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:08:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:08:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 04:08:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 04:08:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2021-12-28 04:08:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2021-12-28 04:08:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 04:08:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 04:08:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:08:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:08:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-28 04:08:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-28 04:08:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:08:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2021-12-28 04:08:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2021-12-28 04:08:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2021-12-28 04:08:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2021-12-28 04:08:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2021-12-28 04:08:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2021-12-28 04:08:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:08:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:08:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2021-12-28 04:08:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2021-12-28 04:08:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:08:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:08:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:08:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-28 04:08:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-28 04:08:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2021-12-28 04:08:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2021-12-28 04:08:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:08:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:08:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-28 04:08:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-28 04:08:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-12-28 04:08:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-12-28 04:08:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:08:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-12-28 04:08:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-12-28 04:08:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-28 04:08:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-28 04:08:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2021-12-28 04:08:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2021-12-28 04:08:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:08:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:08:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:08:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2021-12-28 04:08:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2021-12-28 04:08:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:08:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:08:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2021-12-28 04:08:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2021-12-28 04:08:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2021-12-28 04:08:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2021-12-28 04:08:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 04:08:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 04:08:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:08:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:08:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2021-12-28 04:08:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2021-12-28 04:08:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-28 04:08:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-28 04:08:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2021-12-28 04:08:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2021-12-28 04:08:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2021-12-28 04:08:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2021-12-28 04:08:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:08:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:08:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:08:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:08:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2021-12-28 04:08:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2021-12-28 04:08:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-28 04:08:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-28 04:08:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 04:08:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 04:08:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2021-12-28 04:08:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2021-12-28 04:08:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-28 04:08:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-28 04:08:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:08:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-28 04:08:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-28 04:08:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-12-28 04:08:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-12-28 04:08:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-28 04:08:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-28 04:08:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2021-12-28 04:08:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2021-12-28 04:08:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2021-12-28 04:08:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2021-12-28 04:08:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 04:08:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:08:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:08:09,562 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:08:09,564 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:08:10,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:08:13,034 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:08:13,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:08:13,051 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:08:13,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:08:13 BoogieIcfgContainer [2021-12-28 04:08:13,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:08:13,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:08:13,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:08:13,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:08:13,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:08:06" (1/3) ... [2021-12-28 04:08:13,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51774b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:08:13, skipping insertion in model container [2021-12-28 04:08:13,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:08" (2/3) ... [2021-12-28 04:08:13,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51774b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:08:13, skipping insertion in model container [2021-12-28 04:08:13,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:08:13" (3/3) ... [2021-12-28 04:08:13,060 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:08:13,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:08:13,063 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:08:13,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:08:13,103 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 [2021-12-28 04:08:13,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:08:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 1578 states, 1108 states have (on average 1.3998194945848375) internal successors, (1551), 1173 states have internal predecessors, (1551), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) [2021-12-28 04:08:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-28 04:08:13,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:08:13,148 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] [2021-12-28 04:08:13,149 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:08:13,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:08:13,152 INFO L85 PathProgramCache]: Analyzing trace with hash -695991338, now seen corresponding path program 1 times [2021-12-28 04:08:13,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:08:13,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115467679] [2021-12-28 04:08:13,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:08:13,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:08:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:08:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:08:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:08:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:08:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:08:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:08:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:08:13,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:08:13,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115467679] [2021-12-28 04:08:13,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115467679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:08:13,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:08:13,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:08:13,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060416576] [2021-12-28 04:08:13,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:08:13,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:08:13,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:08:13,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:08:13,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:08:13,706 INFO L87 Difference]: Start difference. First operand has 1578 states, 1108 states have (on average 1.3998194945848375) internal successors, (1551), 1173 states have internal predecessors, (1551), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) 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) [2021-12-28 04:08:19,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:08:22,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:08:22,322 INFO L93 Difference]: Finished difference Result 3309 states and 4923 transitions. [2021-12-28 04:08:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:08:22,325 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 [2021-12-28 04:08:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:08:22,347 INFO L225 Difference]: With dead ends: 3309 [2021-12-28 04:08:22,348 INFO L226 Difference]: Without dead ends: 1720 [2021-12-28 04:08:22,364 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 [2021-12-28 04:08:22,366 INFO L933 BasicCegarLoop]: 2114 mSDtfsCounter, 1088 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 4408 SdHoareTripleChecker+Invalid, 3245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:08:22,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1118 Valid, 4408 Invalid, 3245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-28 04:08:22,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2021-12-28 04:08:22,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1562. [2021-12-28 04:08:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1103 states have (on average 1.3907524932003625) internal successors, (1534), 1157 states have internal predecessors, (1534), 368 states have call successors, (368), 91 states have call predecessors, (368), 90 states have return successors, (363), 337 states have call predecessors, (363), 363 states have call successors, (363) [2021-12-28 04:08:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2265 transitions. [2021-12-28 04:08:22,495 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2265 transitions. Word has length 114 [2021-12-28 04:08:22,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:08:22,496 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2265 transitions. [2021-12-28 04:08:22,496 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) [2021-12-28 04:08:22,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2265 transitions. [2021-12-28 04:08:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-28 04:08:22,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:08:22,508 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] [2021-12-28 04:08:22,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:08:22,508 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:08:22,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:08:22,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1398740446, now seen corresponding path program 1 times [2021-12-28 04:08:22,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:08:22,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672754544] [2021-12-28 04:08:22,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:08:22,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:08:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:08:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:08:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:08:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:08:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:08:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:08:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:08:22,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:08:22,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672754544] [2021-12-28 04:08:22,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672754544] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:08:22,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:08:22,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:08:22,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982388459] [2021-12-28 04:08:22,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:08:22,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:08:22,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:08:22,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:08:22,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:08:22,885 INFO L87 Difference]: Start difference. First operand 1562 states and 2265 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) [2021-12-28 04:08:33,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:08:33,636 INFO L93 Difference]: Finished difference Result 4952 states and 7650 transitions. [2021-12-28 04:08:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:08:33,637 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 [2021-12-28 04:08:33,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:08:33,654 INFO L225 Difference]: With dead ends: 4952 [2021-12-28 04:08:33,654 INFO L226 Difference]: Without dead ends: 3413 [2021-12-28 04:08:33,661 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 [2021-12-28 04:08:33,662 INFO L933 BasicCegarLoop]: 2654 mSDtfsCounter, 4276 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 2266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 6046 SdHoareTripleChecker+Invalid, 5619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2266 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:08:33,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 6046 Invalid, 5619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2266 Valid, 3353 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2021-12-28 04:08:33,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2021-12-28 04:08:33,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3183. [2021-12-28 04:08:33,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3183 states, 2243 states have (on average 1.384306732055283) internal successors, (3105), 2358 states have internal predecessors, (3105), 735 states have call successors, (735), 180 states have call predecessors, (735), 204 states have return successors, (939), 697 states have call predecessors, (939), 730 states have call successors, (939) [2021-12-28 04:08:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 3183 states and 4779 transitions. [2021-12-28 04:08:33,868 INFO L78 Accepts]: Start accepts. Automaton has 3183 states and 4779 transitions. Word has length 114 [2021-12-28 04:08:33,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:08:33,869 INFO L470 AbstractCegarLoop]: Abstraction has 3183 states and 4779 transitions. [2021-12-28 04:08:33,869 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) [2021-12-28 04:08:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 4779 transitions. [2021-12-28 04:08:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-28 04:08:33,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:08:33,872 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] [2021-12-28 04:08:33,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:08:33,872 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:08:33,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:08:33,873 INFO L85 PathProgramCache]: Analyzing trace with hash 410740249, now seen corresponding path program 1 times [2021-12-28 04:08:33,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:08:33,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738522853] [2021-12-28 04:08:33,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:08:33,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:08:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:08:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:08:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:08:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:08:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:08:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:08:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:08:34,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:08:34,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738522853] [2021-12-28 04:08:34,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738522853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:08:34,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:08:34,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:08:34,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353523658] [2021-12-28 04:08:34,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:08:34,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:08:34,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:08:34,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:08:34,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:08:34,113 INFO L87 Difference]: Start difference. First operand 3183 states and 4779 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) [2021-12-28 04:08:44,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:08:44,151 INFO L93 Difference]: Finished difference Result 9935 states and 15966 transitions. [2021-12-28 04:08:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:08:44,153 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 [2021-12-28 04:08:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:08:44,239 INFO L225 Difference]: With dead ends: 9935 [2021-12-28 04:08:44,255 INFO L226 Difference]: Without dead ends: 6775 [2021-12-28 04:08:44,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:08:44,294 INFO L933 BasicCegarLoop]: 2692 mSDtfsCounter, 4230 mSDsluCounter, 3356 mSDsCounter, 0 mSdLazyCounter, 3387 mSolverCounterSat, 2241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4441 SdHoareTripleChecker+Valid, 6048 SdHoareTripleChecker+Invalid, 5628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2241 IncrementalHoareTripleChecker+Valid, 3387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:08:44,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4441 Valid, 6048 Invalid, 5628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2241 Valid, 3387 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-12-28 04:08:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6775 states. [2021-12-28 04:08:44,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6775 to 6358. [2021-12-28 04:08:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 4480 states have (on average 1.3830357142857144) internal successors, (6196), 4713 states have internal predecessors, (6196), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-28 04:08:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 9900 transitions. [2021-12-28 04:08:44,535 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 9900 transitions. Word has length 115 [2021-12-28 04:08:44,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:08:44,537 INFO L470 AbstractCegarLoop]: Abstraction has 6358 states and 9900 transitions. [2021-12-28 04:08:44,537 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) [2021-12-28 04:08:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 9900 transitions. [2021-12-28 04:08:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-28 04:08:44,540 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:08:44,540 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] [2021-12-28 04:08:44,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:08:44,541 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:08:44,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:08:44,541 INFO L85 PathProgramCache]: Analyzing trace with hash -152489919, now seen corresponding path program 1 times [2021-12-28 04:08:44,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:08:44,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049971101] [2021-12-28 04:08:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:08:44,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:08:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:08:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:08:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:08:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:08:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:08:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:08:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:08:44,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:08:44,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049971101] [2021-12-28 04:08:44,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049971101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:08:44,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:08:44,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:08:44,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782971710] [2021-12-28 04:08:44,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:08:44,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:08:44,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:08:44,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:08:44,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:08:44,739 INFO L87 Difference]: Start difference. First operand 6358 states and 9900 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) [2021-12-28 04:08:56,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:08:56,493 INFO L93 Difference]: Finished difference Result 6773 states and 10669 transitions. [2021-12-28 04:08:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:08:56,493 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 [2021-12-28 04:08:56,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:08:56,567 INFO L225 Difference]: With dead ends: 6773 [2021-12-28 04:08:56,568 INFO L226 Difference]: Without dead ends: 6770 [2021-12-28 04:08:56,573 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 [2021-12-28 04:08:56,574 INFO L933 BasicCegarLoop]: 2694 mSDtfsCounter, 4098 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 2130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4309 SdHoareTripleChecker+Valid, 7008 SdHoareTripleChecker+Invalid, 6523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2130 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:08:56,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4309 Valid, 7008 Invalid, 6523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2130 Valid, 4393 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2021-12-28 04:08:56,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2021-12-28 04:08:56,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 6359. [2021-12-28 04:08:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 4481 states have (on average 1.3829502343226958) internal successors, (6197), 4714 states have internal predecessors, (6197), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-28 04:08:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 9901 transitions. [2021-12-28 04:08:56,890 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 9901 transitions. Word has length 116 [2021-12-28 04:08:56,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:08:56,890 INFO L470 AbstractCegarLoop]: Abstraction has 6359 states and 9901 transitions. [2021-12-28 04:08:56,891 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) [2021-12-28 04:08:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 9901 transitions. [2021-12-28 04:08:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-28 04:08:56,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:08:56,894 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] [2021-12-28 04:08:56,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:08:56,895 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:08:56,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:08:56,895 INFO L85 PathProgramCache]: Analyzing trace with hash -432751076, now seen corresponding path program 1 times [2021-12-28 04:08:56,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:08:56,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344461547] [2021-12-28 04:08:56,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:08:56,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:08:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:08:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:08:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:08:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:08:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:08:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:08:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:08:57,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:08:57,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344461547] [2021-12-28 04:08:57,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344461547] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:08:57,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:08:57,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:08:57,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70291971] [2021-12-28 04:08:57,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:08:57,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:08:57,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:08:57,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:08:57,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:08:57,099 INFO L87 Difference]: Start difference. First operand 6359 states and 9901 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) [2021-12-28 04:09:00,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:09:00,762 INFO L93 Difference]: Finished difference Result 6769 states and 10665 transitions. [2021-12-28 04:09:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:09:00,763 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 [2021-12-28 04:09:00,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:09:00,800 INFO L225 Difference]: With dead ends: 6769 [2021-12-28 04:09:00,800 INFO L226 Difference]: Without dead ends: 6766 [2021-12-28 04:09:00,806 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 [2021-12-28 04:09:00,806 INFO L933 BasicCegarLoop]: 2065 mSDtfsCounter, 3576 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 1775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 2755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1775 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:09:00,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3782 Valid, 2895 Invalid, 2755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1775 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-28 04:09:00,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6766 states. [2021-12-28 04:09:01,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6766 to 6358. [2021-12-28 04:09:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 4481 states have (on average 1.3827270698504799) internal successors, (6196), 4713 states have internal predecessors, (6196), 1462 states have call successors, (1462), 358 states have call predecessors, (1462), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-28 04:09:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 9899 transitions. [2021-12-28 04:09:01,208 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 9899 transitions. Word has length 117 [2021-12-28 04:09:01,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:09:01,209 INFO L470 AbstractCegarLoop]: Abstraction has 6358 states and 9899 transitions. [2021-12-28 04:09:01,209 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) [2021-12-28 04:09:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 9899 transitions. [2021-12-28 04:09:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-28 04:09:01,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:09:01,212 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, 1] [2021-12-28 04:09:01,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:09:01,212 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:09:01,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:09:01,212 INFO L85 PathProgramCache]: Analyzing trace with hash -530907484, now seen corresponding path program 1 times [2021-12-28 04:09:01,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:09:01,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318652920] [2021-12-28 04:09:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:09:01,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:09:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:09:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:09:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:09:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:09:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:09:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:09:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:09:01,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:09:01,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318652920] [2021-12-28 04:09:01,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318652920] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:09:01,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:09:01,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:09:01,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175027081] [2021-12-28 04:09:01,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:09:01,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:09:01,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:09:01,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:09:01,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:09:01,424 INFO L87 Difference]: Start difference. First operand 6358 states and 9899 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-12-28 04:09:09,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:09:09,914 INFO L93 Difference]: Finished difference Result 6768 states and 10663 transitions. [2021-12-28 04:09:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:09:09,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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 118 [2021-12-28 04:09:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:09:09,960 INFO L225 Difference]: With dead ends: 6768 [2021-12-28 04:09:09,960 INFO L226 Difference]: Without dead ends: 6735 [2021-12-28 04:09:09,965 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 [2021-12-28 04:09:09,966 INFO L933 BasicCegarLoop]: 2056 mSDtfsCounter, 3002 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 1261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3210 SdHoareTripleChecker+Valid, 4308 SdHoareTripleChecker+Invalid, 3570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1261 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:09:09,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3210 Valid, 4308 Invalid, 3570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1261 Valid, 2309 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-12-28 04:09:09,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6735 states. [2021-12-28 04:09:10,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 6327. [2021-12-28 04:09:10,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6327 states, 4464 states have (on average 1.38328853046595) internal successors, (6175), 4695 states have internal predecessors, (6175), 1449 states have call successors, (1449), 357 states have call predecessors, (1449), 413 states have return successors, (2205), 1383 states have call predecessors, (2205), 1446 states have call successors, (2205) [2021-12-28 04:09:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 9829 transitions. [2021-12-28 04:09:10,199 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 9829 transitions. Word has length 118 [2021-12-28 04:09:10,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:09:10,200 INFO L470 AbstractCegarLoop]: Abstraction has 6327 states and 9829 transitions. [2021-12-28 04:09:10,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-12-28 04:09:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 9829 transitions. [2021-12-28 04:09:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-28 04:09:10,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:09:10,209 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:09:10,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:09:10,209 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:09:10,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:09:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1173826115, now seen corresponding path program 1 times [2021-12-28 04:09:10,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:09:10,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995809544] [2021-12-28 04:09:10,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:09:10,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:09:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:09:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:09:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:09:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:09:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:09:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:09:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 04:09:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:09:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 04:09:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:09:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 04:09:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:09:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 04:09:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-28 04:09:10,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:09:10,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995809544] [2021-12-28 04:09:10,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995809544] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:09:10,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:09:10,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 04:09:10,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021394912] [2021-12-28 04:09:10,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:09:10,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 04:09:10,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:09:10,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 04:09:10,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:09:10,443 INFO L87 Difference]: Start difference. First operand 6327 states and 9829 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 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)