./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-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 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:08:36,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:08:36,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:08:36,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:08:36,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:08:36,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:08:36,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:08:36,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:08:36,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:08:36,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:08:36,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:08:36,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:08:36,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:08:36,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:08:36,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:08:36,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:08:36,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:08:36,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:08:36,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:08:36,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:08:36,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:08:36,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:08:36,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:08:36,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:08:36,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:08:36,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:08:36,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:08:36,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:08:36,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:08:36,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:08:36,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:08:36,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:08:36,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:08:36,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:08:36,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:08:36,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:08:36,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:08:36,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:08:36,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:08:36,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:08:36,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:08:36,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:08:36,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:08:36,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:08:36,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:08:36,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:08:36,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:08:36,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:08:36,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:08:36,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:08:36,301 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:08:36,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:08:36,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:08:36,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:08:36,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:08:36,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:08:36,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:08:36,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:08:36,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:08:36,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:08:36,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:08:36,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:08:36,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:08:36,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:08:36,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:08:36,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:08:36,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:08:36,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:08:36,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:08:36,306 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:08:36,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:08:36,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:08:36,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:08:36,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 [2021-12-16 04:08:36,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:08:36,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:08:36,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:08:36,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:08:36,534 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:08:36,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:08:36,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ef65edb/162620ce373e4de8811fc65b0189a9da/FLAG6e157b68b [2021-12-16 04:08:37,252 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:08:37,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:08:37,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ef65edb/162620ce373e4de8811fc65b0189a9da/FLAG6e157b68b [2021-12-16 04:08:37,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ef65edb/162620ce373e4de8811fc65b0189a9da [2021-12-16 04:08:37,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:08:37,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:08:37,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:08:37,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:08:37,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:08:37,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:08:37" (1/1) ... [2021-12-16 04:08:37,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb45f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:37, skipping insertion in model container [2021-12-16 04:08:37,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:08:37" (1/1) ... [2021-12-16 04:08:37,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:08:37,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:08:38,680 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-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2021-12-16 04:08:38,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:08:38,733 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:08:38,976 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-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2021-12-16 04:08:38,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:08:39,044 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:08:39,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39 WrapperNode [2021-12-16 04:08:39,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:08:39,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:08:39,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:08:39,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:08:39,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,265 INFO L137 Inliner]: procedures = 258, calls = 1803, calls flagged for inlining = 103, calls inlined = 99, statements flattened = 4499 [2021-12-16 04:08:39,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:08:39,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:08:39,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:08:39,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:08:39,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:08:39,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:08:39,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:08:39,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:08:39,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (1/1) ... [2021-12-16 04:08:39,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:08:39,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:08:39,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:08:39,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:08:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:08:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:08:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2021-12-16 04:08:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2021-12-16 04:08:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:08:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:08:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:08:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:08:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:08:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:08:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2021-12-16 04:08:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2021-12-16 04:08:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2021-12-16 04:08:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2021-12-16 04:08:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2021-12-16 04:08:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2021-12-16 04:08:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-16 04:08:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-16 04:08:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-16 04:08:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-16 04:08:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:08:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:08:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-16 04:08:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-16 04:08:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-16 04:08:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-16 04:08:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2021-12-16 04:08:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2021-12-16 04:08:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2021-12-16 04:08:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2021-12-16 04:08:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:08:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:08:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:08:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:08:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:08:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:08:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:08:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:08:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2021-12-16 04:08:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2021-12-16 04:08:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-16 04:08:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-16 04:08:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2021-12-16 04:08:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2021-12-16 04:08:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:08:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:08:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2021-12-16 04:08:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2021-12-16 04:08:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2021-12-16 04:08:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2021-12-16 04:08:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2021-12-16 04:08:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2021-12-16 04:08:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:08:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2021-12-16 04:08:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2021-12-16 04:08:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:08:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:08:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-16 04:08:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-16 04:08:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:08:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2021-12-16 04:08:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2021-12-16 04:08:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-16 04:08:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-16 04:08:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2021-12-16 04:08:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2021-12-16 04:08:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2021-12-16 04:08:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2021-12-16 04:08:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-16 04:08:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-16 04:08:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2021-12-16 04:08:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2021-12-16 04:08:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:08:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:08:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-16 04:08:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-16 04:08:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:08:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:08:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2021-12-16 04:08:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2021-12-16 04:08:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:08:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:08:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:08:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:08:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2021-12-16 04:08:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2021-12-16 04:08:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-16 04:08:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-16 04:08:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2021-12-16 04:08:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2021-12-16 04:08:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2021-12-16 04:08:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2021-12-16 04:08:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-16 04:08:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-16 04:08:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:08:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2021-12-16 04:08:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2021-12-16 04:08:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:08:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-16 04:08:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-16 04:08:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-16 04:08:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-16 04:08:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-16 04:08:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-16 04:08:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:08:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-16 04:08:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-16 04:08:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:08:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:08:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-16 04:08:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-16 04:08:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2021-12-16 04:08:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2021-12-16 04:08:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-16 04:08:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-16 04:08:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:08:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:08:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-16 04:08:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-16 04:08:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:08:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2021-12-16 04:08:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2021-12-16 04:08:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2021-12-16 04:08:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2021-12-16 04:08:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2021-12-16 04:08:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2021-12-16 04:08:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:08:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:08:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2021-12-16 04:08:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2021-12-16 04:08:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:08:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:08:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:08:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2021-12-16 04:08:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2021-12-16 04:08:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-16 04:08:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-16 04:08:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:08:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:08:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-16 04:08:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-16 04:08:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-12-16 04:08:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-12-16 04:08:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:08:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-12-16 04:08:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-12-16 04:08:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2021-12-16 04:08:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2021-12-16 04:08:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:08:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:08:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:08:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2021-12-16 04:08:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2021-12-16 04:08:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:08:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:08:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-16 04:08:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-16 04:08:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2021-12-16 04:08:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2021-12-16 04:08:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2021-12-16 04:08:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2021-12-16 04:08:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-16 04:08:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-16 04:08:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:08:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:08:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2021-12-16 04:08:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2021-12-16 04:08:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-16 04:08:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-16 04:08:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2021-12-16 04:08:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2021-12-16 04:08:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2021-12-16 04:08:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2021-12-16 04:08:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:08:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:08:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:08:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:08:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2021-12-16 04:08:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2021-12-16 04:08:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-16 04:08:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-16 04:08:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-16 04:08:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-16 04:08:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-16 04:08:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2021-12-16 04:08:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2021-12-16 04:08:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-16 04:08:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-16 04:08:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:08:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-16 04:08:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-16 04:08:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-12-16 04:08:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-12-16 04:08:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-16 04:08:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-16 04:08:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2021-12-16 04:08:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2021-12-16 04:08:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2021-12-16 04:08:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2021-12-16 04:08:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 04:08:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:08:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:08:40,221 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:08:40,225 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:08:41,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:08:43,383 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:08:43,410 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:08:43,410 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:08:43,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:08:43 BoogieIcfgContainer [2021-12-16 04:08:43,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:08:43,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:08:43,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:08:43,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:08:43,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:08:37" (1/3) ... [2021-12-16 04:08:43,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eacf757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:08:43, skipping insertion in model container [2021-12-16 04:08:43,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:08:39" (2/3) ... [2021-12-16 04:08:43,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eacf757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:08:43, skipping insertion in model container [2021-12-16 04:08:43,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:08:43" (3/3) ... [2021-12-16 04:08:43,418 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:08:43,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:08:43,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:08:43,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:08:43,460 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:08:43,460 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:08:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 1573 states, 1105 states have (on average 1.4) internal successors, (1547), 1170 states have internal predecessors, (1547), 375 states have call successors, (375), 92 states have call predecessors, (375), 91 states have return successors, (366), 340 states have call predecessors, (366), 366 states have call successors, (366) [2021-12-16 04:08:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-16 04:08:43,502 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:08:43,502 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] [2021-12-16 04:08:43,503 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:08:43,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:08:43,506 INFO L85 PathProgramCache]: Analyzing trace with hash 553944102, now seen corresponding path program 1 times [2021-12-16 04:08:43,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:08:43,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139124018] [2021-12-16 04:08:43,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:08:43,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:08:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:08:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:08:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:08:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:08:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:08:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:08:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:08:44,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:08:44,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139124018] [2021-12-16 04:08:44,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139124018] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:08:44,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:08:44,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:08:44,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481977185] [2021-12-16 04:08:44,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:08:44,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:08:44,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:08:44,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:08:44,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:08:44,060 INFO L87 Difference]: Start difference. First operand has 1573 states, 1105 states have (on average 1.4) internal successors, (1547), 1170 states have internal predecessors, (1547), 375 states have call successors, (375), 92 states have call predecessors, (375), 91 states have return successors, (366), 340 states have call predecessors, (366), 366 states have call successors, (366) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:08:49,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:08:49,574 INFO L93 Difference]: Finished difference Result 3299 states and 4906 transitions. [2021-12-16 04:08:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:08:49,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 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 113 [2021-12-16 04:08:49,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:08:49,620 INFO L225 Difference]: With dead ends: 3299 [2021-12-16 04:08:49,621 INFO L226 Difference]: Without dead ends: 1715 [2021-12-16 04:08:49,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:08:49,647 INFO L933 BasicCegarLoop]: 2104 mSDtfsCounter, 1162 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 1002 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1002 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:08:49,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1193 Valid, 3636 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1002 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-16 04:08:49,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2021-12-16 04:08:49,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1557. [2021-12-16 04:08:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1100 states have (on average 1.3909090909090909) internal successors, (1530), 1154 states have internal predecessors, (1530), 366 states have call successors, (366), 91 states have call predecessors, (366), 90 states have return successors, (361), 335 states have call predecessors, (361), 361 states have call successors, (361) [2021-12-16 04:08:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2257 transitions. [2021-12-16 04:08:49,759 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2257 transitions. Word has length 113 [2021-12-16 04:08:49,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:08:49,759 INFO L470 AbstractCegarLoop]: Abstraction has 1557 states and 2257 transitions. [2021-12-16 04:08:49,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:08:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2257 transitions. [2021-12-16 04:08:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-16 04:08:49,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:08:49,764 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] [2021-12-16 04:08:49,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:08:49,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:08:49,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:08:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash -486862562, now seen corresponding path program 1 times [2021-12-16 04:08:49,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:08:49,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099147778] [2021-12-16 04:08:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:08:49,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:08:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:08:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:08:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:08:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:08:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:08:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:08:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:08:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:08:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:08:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:08:50,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:08:50,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099147778] [2021-12-16 04:08:50,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099147778] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:08:50,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:08:50,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:08:50,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939849592] [2021-12-16 04:08:50,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:08:50,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:08:50,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:08:50,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:08:50,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:08:50,116 INFO L87 Difference]: Start difference. First operand 1557 states and 2257 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:08:55,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:09:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:09:00,654 INFO L93 Difference]: Finished difference Result 4937 states and 7621 transitions. [2021-12-16 04:09:00,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:09:00,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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 113 [2021-12-16 04:09:00,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:09:00,670 INFO L225 Difference]: With dead ends: 4937 [2021-12-16 04:09:00,670 INFO L226 Difference]: Without dead ends: 3403 [2021-12-16 04:09:00,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:09:00,677 INFO L933 BasicCegarLoop]: 2635 mSDtfsCounter, 4138 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 3041 mSolverCounterSat, 2167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4341 SdHoareTripleChecker+Valid, 6348 SdHoareTripleChecker+Invalid, 5208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2167 IncrementalHoareTripleChecker+Valid, 3041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:09:00,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4341 Valid, 6348 Invalid, 5208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2167 Valid, 3041 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2021-12-16 04:09:00,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2021-12-16 04:09:00,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 3173. [2021-12-16 04:09:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3173 states, 2237 states have (on average 1.3844434510505141) internal successors, (3097), 2352 states have internal predecessors, (3097), 731 states have call successors, (731), 180 states have call predecessors, (731), 204 states have return successors, (933), 693 states have call predecessors, (933), 726 states have call successors, (933) [2021-12-16 04:09:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 4761 transitions. [2021-12-16 04:09:00,800 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 4761 transitions. Word has length 113 [2021-12-16 04:09:00,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:09:00,800 INFO L470 AbstractCegarLoop]: Abstraction has 3173 states and 4761 transitions. [2021-12-16 04:09:00,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 4761 transitions. [2021-12-16 04:09:00,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-16 04:09:00,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:09:00,803 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:09:00,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:09:00,803 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:09:00,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:09:00,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2086592435, now seen corresponding path program 1 times [2021-12-16 04:09:00,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:09:00,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958148221] [2021-12-16 04:09:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:09:00,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:09:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:09:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:09:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:09:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:09:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:09:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:09:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:09:01,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:09:01,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958148221] [2021-12-16 04:09:01,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958148221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:09:01,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:09:01,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:09:01,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838960888] [2021-12-16 04:09:01,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:09:01,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:09:01,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:09:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:09:01,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:09:01,072 INFO L87 Difference]: Start difference. First operand 3173 states and 4761 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:13,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:09:13,517 INFO L93 Difference]: Finished difference Result 9905 states and 15904 transitions. [2021-12-16 04:09:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:09:13,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-16 04:09:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:09:13,553 INFO L225 Difference]: With dead ends: 9905 [2021-12-16 04:09:13,553 INFO L226 Difference]: Without dead ends: 6755 [2021-12-16 04:09:13,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:09:13,572 INFO L933 BasicCegarLoop]: 2681 mSDtfsCounter, 4097 mSDsluCounter, 4553 mSDsCounter, 0 mSdLazyCounter, 4092 mSolverCounterSat, 2136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 7234 SdHoareTripleChecker+Invalid, 6228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2136 IncrementalHoareTripleChecker+Valid, 4092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:09:13,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4307 Valid, 7234 Invalid, 6228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2136 Valid, 4092 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2021-12-16 04:09:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6755 states. [2021-12-16 04:09:13,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 6338. [2021-12-16 04:09:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6338 states, 4468 states have (on average 1.3831692032229186) internal successors, (6180), 4701 states have internal predecessors, (6180), 1455 states have call successors, (1455), 358 states have call predecessors, (1455), 414 states have return successors, (2225), 1387 states have call predecessors, (2225), 1450 states have call successors, (2225) [2021-12-16 04:09:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6338 states to 6338 states and 9860 transitions. [2021-12-16 04:09:13,783 INFO L78 Accepts]: Start accepts. Automaton has 6338 states and 9860 transitions. Word has length 114 [2021-12-16 04:09:13,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:09:13,784 INFO L470 AbstractCegarLoop]: Abstraction has 6338 states and 9860 transitions. [2021-12-16 04:09:13,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 6338 states and 9860 transitions. [2021-12-16 04:09:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-16 04:09:13,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:09:13,790 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:09:13,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:09:13,790 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:09:13,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:09:13,790 INFO L85 PathProgramCache]: Analyzing trace with hash 259323585, now seen corresponding path program 1 times [2021-12-16 04:09:13,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:09:13,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277157312] [2021-12-16 04:09:13,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:09:13,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:09:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:09:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:09:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:09:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:09:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:09:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:09:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:09:13,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:09:13,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277157312] [2021-12-16 04:09:13,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277157312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:09:13,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:09:13,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:09:13,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559213151] [2021-12-16 04:09:13,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:09:13,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:09:13,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:09:13,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:09:13,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:09:13,987 INFO L87 Difference]: Start difference. First operand 6338 states and 9860 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:21,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:09:21,129 INFO L93 Difference]: Finished difference Result 6753 states and 10628 transitions. [2021-12-16 04:09:21,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:09:21,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2021-12-16 04:09:21,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:09:21,216 INFO L225 Difference]: With dead ends: 6753 [2021-12-16 04:09:21,216 INFO L226 Difference]: Without dead ends: 6750 [2021-12-16 04:09:21,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:09:21,245 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 5211 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 3092 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5421 SdHoareTripleChecker+Valid, 5427 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3092 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:09:21,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5421 Valid, 5427 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3092 Valid, 2036 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-16 04:09:21,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6750 states. [2021-12-16 04:09:21,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6750 to 6339. [2021-12-16 04:09:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6339 states, 4469 states have (on average 1.3830834638621616) internal successors, (6181), 4702 states have internal predecessors, (6181), 1455 states have call successors, (1455), 358 states have call predecessors, (1455), 414 states have return successors, (2225), 1387 states have call predecessors, (2225), 1450 states have call successors, (2225) [2021-12-16 04:09:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6339 states to 6339 states and 9861 transitions. [2021-12-16 04:09:21,690 INFO L78 Accepts]: Start accepts. Automaton has 6339 states and 9861 transitions. Word has length 115 [2021-12-16 04:09:21,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:09:21,691 INFO L470 AbstractCegarLoop]: Abstraction has 6339 states and 9861 transitions. [2021-12-16 04:09:21,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6339 states and 9861 transitions. [2021-12-16 04:09:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-16 04:09:21,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:09:21,695 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:09:21,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:09:21,695 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:09:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:09:21,695 INFO L85 PathProgramCache]: Analyzing trace with hash -551431050, now seen corresponding path program 1 times [2021-12-16 04:09:21,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:09:21,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540913736] [2021-12-16 04:09:21,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:09:21,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:09:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:09:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:09:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:09:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:09:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:09:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:09:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:09:21,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:09:21,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540913736] [2021-12-16 04:09:21,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540913736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:09:21,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:09:21,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:09:21,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082031131] [2021-12-16 04:09:21,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:09:21,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:09:21,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:09:21,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:09:21,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:09:21,893 INFO L87 Difference]: Start difference. First operand 6339 states and 9861 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:30,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:09:30,288 INFO L93 Difference]: Finished difference Result 6749 states and 10624 transitions. [2021-12-16 04:09:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:09:30,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2021-12-16 04:09:30,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:09:30,314 INFO L225 Difference]: With dead ends: 6749 [2021-12-16 04:09:30,314 INFO L226 Difference]: Without dead ends: 6746 [2021-12-16 04:09:30,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:09:30,317 INFO L933 BasicCegarLoop]: 2047 mSDtfsCounter, 3001 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 1270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 4289 SdHoareTripleChecker+Invalid, 3575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1270 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:09:30,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3209 Valid, 4289 Invalid, 3575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1270 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-12-16 04:09:30,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6746 states. [2021-12-16 04:09:30,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6746 to 6338. [2021-12-16 04:09:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6338 states, 4469 states have (on average 1.3828597001566345) internal successors, (6180), 4701 states have internal predecessors, (6180), 1454 states have call successors, (1454), 358 states have call predecessors, (1454), 414 states have return successors, (2225), 1387 states have call predecessors, (2225), 1450 states have call successors, (2225) [2021-12-16 04:09:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6338 states to 6338 states and 9859 transitions. [2021-12-16 04:09:30,499 INFO L78 Accepts]: Start accepts. Automaton has 6338 states and 9859 transitions. Word has length 116 [2021-12-16 04:09:30,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:09:30,500 INFO L470 AbstractCegarLoop]: Abstraction has 6338 states and 9859 transitions. [2021-12-16 04:09:30,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6338 states and 9859 transitions. [2021-12-16 04:09:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-16 04:09:30,502 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:09:30,502 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:09:30,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:09:30,502 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:09:30,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:09:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash 84983908, now seen corresponding path program 1 times [2021-12-16 04:09:30,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:09:30,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953191291] [2021-12-16 04:09:30,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:09:30,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:09:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:09:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:09:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:09:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:09:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:09:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:09:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-16 04:09:30,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:09:30,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953191291] [2021-12-16 04:09:30,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953191291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:09:30,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:09:30,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:09:30,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246606650] [2021-12-16 04:09:30,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:09:30,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:09:30,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:09:30,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:09:30,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:09:30,669 INFO L87 Difference]: Start difference. First operand 6338 states and 9859 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:35,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:09:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:09:37,633 INFO L93 Difference]: Finished difference Result 6748 states and 10622 transitions. [2021-12-16 04:09:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:09:37,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 117 [2021-12-16 04:09:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:09:37,676 INFO L225 Difference]: With dead ends: 6748 [2021-12-16 04:09:37,676 INFO L226 Difference]: Without dead ends: 6715 [2021-12-16 04:09:37,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:09:37,684 INFO L933 BasicCegarLoop]: 2043 mSDtfsCounter, 3000 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 1271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3208 SdHoareTripleChecker+Valid, 3595 SdHoareTripleChecker+Invalid, 2893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1271 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:09:37,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3208 Valid, 3595 Invalid, 2893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1271 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-16 04:09:37,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6715 states. [2021-12-16 04:09:37,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6307. [2021-12-16 04:09:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 4452 states have (on average 1.383423180592992) internal successors, (6159), 4683 states have internal predecessors, (6159), 1441 states have call successors, (1441), 357 states have call predecessors, (1441), 413 states have return successors, (2189), 1375 states have call predecessors, (2189), 1438 states have call successors, (2189) [2021-12-16 04:09:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 9789 transitions. [2021-12-16 04:09:37,873 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 9789 transitions. Word has length 117 [2021-12-16 04:09:37,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:09:37,873 INFO L470 AbstractCegarLoop]: Abstraction has 6307 states and 9789 transitions. [2021-12-16 04:09:37,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 04:09:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 9789 transitions. [2021-12-16 04:09:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-16 04:09:37,882 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:09:37,883 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:09:37,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 04:09:37,883 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:09:37,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:09:37,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1591193740, now seen corresponding path program 1 times [2021-12-16 04:09:37,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:09:37,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441698442] [2021-12-16 04:09:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:09:37,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:09:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:09:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:09:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:09:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:09:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:09:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:09:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 04:09:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 04:09:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:09:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 04:09:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-16 04:09:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 04:09:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:09:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:09:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 04:09:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:09:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-16 04:09:38,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:09:38,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441698442] [2021-12-16 04:09:38,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441698442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:09:38,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:09:38,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 04:09:38,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005168378] [2021-12-16 04:09:38,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:09:38,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 04:09:38,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:09:38,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 04:09:38,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:09:38,122 INFO L87 Difference]: Start difference. First operand 6307 states and 9789 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 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)