./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-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 f4b24e32 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_1a-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 1f258bb699a014f11eb0babe874a45670072f33ce1154e31a2f0110b34e4ef74 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:44:37,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:44:37,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:44:37,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:44:37,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:44:37,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:44:37,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:44:37,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:44:37,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:44:37,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:44:37,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:44:37,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:44:37,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:44:37,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:44:37,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:44:37,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:44:37,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:44:37,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:44:37,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:44:37,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:44:37,330 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:44:37,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:44:37,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:44:37,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:44:37,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:44:37,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:44:37,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:44:37,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:44:37,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:44:37,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:44:37,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:44:37,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:44:37,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:44:37,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:44:37,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:44:37,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:44:37,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:44:37,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:44:37,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:44:37,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:44:37,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:44:37,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:44:37,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:44:37,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:44:37,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:44:37,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:44:37,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:44:37,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:44:37,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:44:37,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:44:37,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:44:37,383 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:44:37,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:44:37,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:44:37,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:44:37,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:44:37,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:44:37,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:44:37,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:44:37,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:44:37,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:44:37,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:44:37,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:44:37,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:44:37,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:44:37,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:44:37,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:44:37,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:44:37,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:44:37,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:44:37,387 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:44:37,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:44:37,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:44:37,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f258bb699a014f11eb0babe874a45670072f33ce1154e31a2f0110b34e4ef74 [2022-07-14 00:44:37,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:44:37,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:44:37,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:44:37,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:44:37,659 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:44:37,660 INFO L432 ainManager$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_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:44:37,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2915a5971/d5d9780183924b8f92bf3766b6185a6a/FLAG9f5899250 [2022-07-14 00:44:38,497 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:44:38,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:44:38,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2915a5971/d5d9780183924b8f92bf3766b6185a6a/FLAG9f5899250 [2022-07-14 00:44:38,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2915a5971/d5d9780183924b8f92bf3766b6185a6a [2022-07-14 00:44:38,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:44:38,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:44:38,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:44:38,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:44:38,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:44:38,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:44:38" (1/1) ... [2022-07-14 00:44:38,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33eaef6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:38, skipping insertion in model container [2022-07-14 00:44:38,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:44:38" (1/1) ... [2022-07-14 00:44:38,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:44:38,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:44:40,140 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_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[239447,239460] [2022-07-14 00:44:40,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:44:40,208 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:44:40,522 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_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[239447,239460] [2022-07-14 00:44:40,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:44:40,612 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:44:40,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40 WrapperNode [2022-07-14 00:44:40,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:44:40,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:44:40,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:44:40,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:44:40,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:40,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:40,963 INFO L137 Inliner]: procedures = 261, calls = 1811, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4661 [2022-07-14 00:44:40,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:44:40,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:44:40,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:44:40,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:44:40,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:40,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:41,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:41,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:41,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:41,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:41,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:41,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:44:41,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:44:41,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:44:41,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:44:41,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (1/1) ... [2022-07-14 00:44:41,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:44:41,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:44:41,506 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) [2022-07-14 00:44:41,531 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 [2022-07-14 00:44:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 00:44:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 00:44:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2022-07-14 00:44:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2022-07-14 00:44:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:44:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:44:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:44:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:44:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:44:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:44:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-07-14 00:44:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-07-14 00:44:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-07-14 00:44:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-07-14 00:44:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-07-14 00:44:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-07-14 00:44:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-14 00:44:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-14 00:44:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-14 00:44:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-14 00:44:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:44:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:44:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-14 00:44:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-14 00:44:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 00:44:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 00:44:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-07-14 00:44:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-07-14 00:44:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2022-07-14 00:44:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2022-07-14 00:44:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:44:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:44:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:44:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:44:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:44:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:44:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:44:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:44:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-07-14 00:44:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-07-14 00:44:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-14 00:44:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-14 00:44:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-07-14 00:44:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-07-14 00:44:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 00:44:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 00:44:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-07-14 00:44:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-07-14 00:44:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2022-07-14 00:44:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2022-07-14 00:44:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-07-14 00:44:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-07-14 00:44:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:44:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2022-07-14 00:44:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2022-07-14 00:44:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:44:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:44:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-14 00:44:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-14 00:44:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:44:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2022-07-14 00:44:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2022-07-14 00:44:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 00:44:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 00:44:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-07-14 00:44:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-07-14 00:44:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-07-14 00:44:41,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-07-14 00:44:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-14 00:44:41,569 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-14 00:44:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2022-07-14 00:44:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2022-07-14 00:44:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:44:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:44:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 00:44:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 00:44:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:44:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:44:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-07-14 00:44:41,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-07-14 00:44:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:44:41,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:44:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 00:44:41,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 00:44:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-07-14 00:44:41,572 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-07-14 00:44:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 00:44:41,572 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 00:44:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-07-14 00:44:41,572 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-07-14 00:44:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-07-14 00:44:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-07-14 00:44:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 00:44:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 00:44:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 00:44:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 00:44:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:44:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-07-14 00:44:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-07-14 00:44:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:44:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-07-14 00:44:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-07-14 00:44:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-07-14 00:44:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-07-14 00:44:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-14 00:44:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-14 00:44:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:44:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-14 00:44:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-14 00:44:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:44:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:44:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 00:44:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 00:44:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-07-14 00:44:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-07-14 00:44:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 00:44:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 00:44:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:44:41,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:44:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-14 00:44:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-14 00:44:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:44:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-07-14 00:44:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-07-14 00:44:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-07-14 00:44:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-07-14 00:44:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-07-14 00:44:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-07-14 00:44:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:44:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:44:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2022-07-14 00:44:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2022-07-14 00:44:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 00:44:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 00:44:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:44:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-07-14 00:44:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-07-14 00:44:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-07-14 00:44:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-07-14 00:44:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 00:44:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 00:44:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-14 00:44:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-14 00:44:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-07-14 00:44:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-07-14 00:44:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:44:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-07-14 00:44:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-07-14 00:44:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2022-07-14 00:44:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2022-07-14 00:44:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 00:44:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 00:44:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:44:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-07-14 00:44:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-07-14 00:44:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:44:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:44:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-07-14 00:44:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-07-14 00:44:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-07-14 00:44:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-07-14 00:44:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-07-14 00:44:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-07-14 00:44:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 00:44:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 00:44:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:44:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:44:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 00:44:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 00:44:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-07-14 00:44:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-07-14 00:44:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-14 00:44:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-14 00:44:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-07-14 00:44:41,596 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-07-14 00:44:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-07-14 00:44:41,596 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-07-14 00:44:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 00:44:41,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 00:44:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 00:44:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 00:44:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-07-14 00:44:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-07-14 00:44:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-14 00:44:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-14 00:44:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-14 00:44:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-14 00:44:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 00:44:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2022-07-14 00:44:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2022-07-14 00:44:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-14 00:44:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-14 00:44:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:44:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-14 00:44:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-14 00:44:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-07-14 00:44:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-07-14 00:44:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 00:44:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 00:44:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-07-14 00:44:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-07-14 00:44:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-07-14 00:44:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-07-14 00:44:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:44:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:44:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:44:42,297 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:44:42,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:44:43,485 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:44:46,589 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:44:46,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:44:46,604 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:44:46,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:44:46 BoogieIcfgContainer [2022-07-14 00:44:46,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:44:46,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:44:46,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:44:46,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:44:46,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:44:38" (1/3) ... [2022-07-14 00:44:46,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c640072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:44:46, skipping insertion in model container [2022-07-14 00:44:46,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:40" (2/3) ... [2022-07-14 00:44:46,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c640072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:44:46, skipping insertion in model container [2022-07-14 00:44:46,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:44:46" (3/3) ... [2022-07-14 00:44:46,613 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:44:46,625 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:44:46,625 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:44:46,689 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:44:46,695 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@76df5065, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7281fa49 [2022-07-14 00:44:46,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:44:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 1662 states, 1185 states have (on average 1.4270042194092827) internal successors, (1691), 1251 states have internal predecessors, (1691), 382 states have call successors, (382), 94 states have call predecessors, (382), 93 states have return successors, (373), 347 states have call predecessors, (373), 373 states have call successors, (373) [2022-07-14 00:44:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-14 00:44:46,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:46,728 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:44:46,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:46,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:46,733 INFO L85 PathProgramCache]: Analyzing trace with hash -744390701, now seen corresponding path program 1 times [2022-07-14 00:44:46,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:44:46,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371722061] [2022-07-14 00:44:46,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:46,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:44:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:44:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:44:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:44:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:44:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:44:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:44:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 00:44:47,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:44:47,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371722061] [2022-07-14 00:44:47,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371722061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:47,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:47,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:44:47,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344979478] [2022-07-14 00:44:47,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:47,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:44:47,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:44:47,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:44:47,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:44:47,539 INFO L87 Difference]: Start difference. First operand has 1662 states, 1185 states have (on average 1.4270042194092827) internal successors, (1691), 1251 states have internal predecessors, (1691), 382 states have call successors, (382), 94 states have call predecessors, (382), 93 states have return successors, (373), 347 states have call predecessors, (373), 373 states have call successors, (373) 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) [2022-07-14 00:44:54,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:54,822 INFO L93 Difference]: Finished difference Result 3482 states and 5270 transitions. [2022-07-14 00:44:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:44:54,824 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 [2022-07-14 00:44:54,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:54,854 INFO L225 Difference]: With dead ends: 3482 [2022-07-14 00:44:54,854 INFO L226 Difference]: Without dead ends: 1808 [2022-07-14 00:44:54,909 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:44:54,913 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 1194 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 984 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 3892 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 984 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:44:54,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 3892 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [984 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-07-14 00:44:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2022-07-14 00:44:55,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1646. [2022-07-14 00:44:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 1180 states have (on average 1.3847457627118644) internal successors, (1634), 1235 states have internal predecessors, (1634), 373 states have call successors, (373), 93 states have call predecessors, (373), 92 states have return successors, (369), 343 states have call predecessors, (369), 369 states have call successors, (369) [2022-07-14 00:44:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2376 transitions. [2022-07-14 00:44:55,062 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2376 transitions. Word has length 113 [2022-07-14 00:44:55,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:55,062 INFO L495 AbstractCegarLoop]: Abstraction has 1646 states and 2376 transitions. [2022-07-14 00:44:55,062 INFO L496 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) [2022-07-14 00:44:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2376 transitions. [2022-07-14 00:44:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-14 00:44:55,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:55,068 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:44:55,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:44:55,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:55,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:55,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1785197365, now seen corresponding path program 1 times [2022-07-14 00:44:55,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:44:55,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860932672] [2022-07-14 00:44:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:55,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:44:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:44:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:44:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:44:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:44:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:44:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:44:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:44:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:44:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 00:44:55,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:44:55,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860932672] [2022-07-14 00:44:55,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860932672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:55,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:55,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:44:55,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044724644] [2022-07-14 00:44:55,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:55,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:44:55,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:44:55,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:44:55,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:44:55,464 INFO L87 Difference]: Start difference. First operand 1646 states and 2376 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) [2022-07-14 00:45:09,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:09,679 INFO L93 Difference]: Finished difference Result 5206 states and 7779 transitions. [2022-07-14 00:45:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:45:09,680 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 [2022-07-14 00:45:09,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:09,708 INFO L225 Difference]: With dead ends: 5206 [2022-07-14 00:45:09,709 INFO L226 Difference]: Without dead ends: 3583 [2022-07-14 00:45:09,722 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:45:09,725 INFO L413 NwaCegarLoop]: 2721 mSDtfsCounter, 4330 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 4425 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4543 SdHoareTripleChecker+Valid, 7133 SdHoareTripleChecker+Invalid, 6601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:09,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4543 Valid, 7133 Invalid, 6601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4425 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2022-07-14 00:45:09,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2022-07-14 00:45:09,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 3290. [2022-07-14 00:45:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 2359 states have (on average 1.3832132259431962) internal successors, (3263), 2469 states have internal predecessors, (3263), 738 states have call successors, (738), 184 states have call predecessors, (738), 192 states have return successors, (786), 690 states have call predecessors, (786), 734 states have call successors, (786) [2022-07-14 00:45:09,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 4787 transitions. [2022-07-14 00:45:09,893 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 4787 transitions. Word has length 113 [2022-07-14 00:45:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:09,895 INFO L495 AbstractCegarLoop]: Abstraction has 3290 states and 4787 transitions. [2022-07-14 00:45:09,896 INFO L496 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) [2022-07-14 00:45:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 4787 transitions. [2022-07-14 00:45:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-14 00:45:09,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:09,901 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:45:09,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:45:09,902 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:09,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:09,902 INFO L85 PathProgramCache]: Analyzing trace with hash 492920201, now seen corresponding path program 1 times [2022-07-14 00:45:09,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:45:09,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95577667] [2022-07-14 00:45:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:09,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:45:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:45:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:45:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:45:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:45:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:45:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:45:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 00:45:10,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:45:10,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95577667] [2022-07-14 00:45:10,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95577667] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:10,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:10,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:45:10,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517641421] [2022-07-14 00:45:10,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:10,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:45:10,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:45:10,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:45:10,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:45:10,220 INFO L87 Difference]: Start difference. First operand 3290 states and 4787 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) [2022-07-14 00:45:20,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:20,922 INFO L93 Difference]: Finished difference Result 10040 states and 15071 transitions. [2022-07-14 00:45:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:45:20,924 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 [2022-07-14 00:45:20,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:20,966 INFO L225 Difference]: With dead ends: 10040 [2022-07-14 00:45:20,966 INFO L226 Difference]: Without dead ends: 6773 [2022-07-14 00:45:20,983 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:45:20,984 INFO L413 NwaCegarLoop]: 2443 mSDtfsCounter, 4117 mSDsluCounter, 4059 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 2185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4295 SdHoareTripleChecker+Valid, 6502 SdHoareTripleChecker+Invalid, 6253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2185 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:20,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4295 Valid, 6502 Invalid, 6253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2185 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-14 00:45:20,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6773 states. [2022-07-14 00:45:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6773 to 6187. [2022-07-14 00:45:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6187 states, 4442 states have (on average 1.3885637100405224) internal successors, (6168), 4657 states have internal predecessors, (6168), 1377 states have call successors, (1377), 350 states have call predecessors, (1377), 367 states have return successors, (1475), 1285 states have call predecessors, (1475), 1373 states have call successors, (1475) [2022-07-14 00:45:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6187 states to 6187 states and 9020 transitions. [2022-07-14 00:45:21,254 INFO L78 Accepts]: Start accepts. Automaton has 6187 states and 9020 transitions. Word has length 114 [2022-07-14 00:45:21,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:21,255 INFO L495 AbstractCegarLoop]: Abstraction has 6187 states and 9020 transitions. [2022-07-14 00:45:21,255 INFO L496 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) [2022-07-14 00:45:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 6187 states and 9020 transitions. [2022-07-14 00:45:21,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-14 00:45:21,262 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:21,262 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:45:21,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:45:21,262 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:21,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1899874418, now seen corresponding path program 1 times [2022-07-14 00:45:21,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:45:21,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466623405] [2022-07-14 00:45:21,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:21,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:45:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:45:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:45:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:45:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:45:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:45:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:45:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 00:45:21,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:45:21,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466623405] [2022-07-14 00:45:21,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466623405] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:21,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:21,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:45:21,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373183768] [2022-07-14 00:45:21,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:21,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:45:21,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:45:21,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:45:21,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:45:21,533 INFO L87 Difference]: Start difference. First operand 6187 states and 9020 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) [2022-07-14 00:45:29,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:29,527 INFO L93 Difference]: Finished difference Result 6768 states and 10064 transitions. [2022-07-14 00:45:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:45:29,532 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 [2022-07-14 00:45:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:29,570 INFO L225 Difference]: With dead ends: 6768 [2022-07-14 00:45:29,570 INFO L226 Difference]: Without dead ends: 6765 [2022-07-14 00:45:29,574 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:45:29,576 INFO L413 NwaCegarLoop]: 2152 mSDtfsCounter, 3216 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 1306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 4514 SdHoareTripleChecker+Invalid, 3660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1306 IncrementalHoareTripleChecker+Valid, 2354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:29,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 4514 Invalid, 3660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1306 Valid, 2354 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-14 00:45:29,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6765 states. [2022-07-14 00:45:29,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6765 to 6186. [2022-07-14 00:45:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6186 states, 4442 states have (on average 1.3883385862224222) internal successors, (6167), 4656 states have internal predecessors, (6167), 1376 states have call successors, (1376), 350 states have call predecessors, (1376), 367 states have return successors, (1475), 1285 states have call predecessors, (1475), 1373 states have call successors, (1475) [2022-07-14 00:45:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6186 states to 6186 states and 9018 transitions. [2022-07-14 00:45:29,853 INFO L78 Accepts]: Start accepts. Automaton has 6186 states and 9018 transitions. Word has length 115 [2022-07-14 00:45:29,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:29,854 INFO L495 AbstractCegarLoop]: Abstraction has 6186 states and 9018 transitions. [2022-07-14 00:45:29,855 INFO L496 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) [2022-07-14 00:45:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 6186 states and 9018 transitions. [2022-07-14 00:45:29,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:45:29,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:29,858 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:45:29,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:45:29,858 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:29,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:29,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1232908588, now seen corresponding path program 1 times [2022-07-14 00:45:29,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:45:29,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149823327] [2022-07-14 00:45:29,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:29,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:45:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:45:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:45:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:45:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:45:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:45:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:45:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 00:45:30,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:45:30,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149823327] [2022-07-14 00:45:30,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149823327] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:30,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:30,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:45:30,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215054706] [2022-07-14 00:45:30,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:30,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:45:30,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:45:30,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:45:30,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:45:30,101 INFO L87 Difference]: Start difference. First operand 6186 states and 9018 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) [2022-07-14 00:45:36,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:36,031 INFO L93 Difference]: Finished difference Result 6767 states and 10062 transitions. [2022-07-14 00:45:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:45:36,032 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 [2022-07-14 00:45:36,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:36,073 INFO L225 Difference]: With dead ends: 6767 [2022-07-14 00:45:36,073 INFO L226 Difference]: Without dead ends: 6735 [2022-07-14 00:45:36,080 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:45:36,081 INFO L413 NwaCegarLoop]: 2157 mSDtfsCounter, 3318 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 1354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3534 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 3042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1354 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:36,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3534 Valid, 3755 Invalid, 3042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1354 Valid, 1688 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-14 00:45:36,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6735 states. [2022-07-14 00:45:36,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 6156. [2022-07-14 00:45:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6156 states, 4426 states have (on average 1.3888386805241753) internal successors, (6147), 4639 states have internal predecessors, (6147), 1363 states have call successors, (1363), 349 states have call predecessors, (1363), 366 states have return successors, (1463), 1273 states have call predecessors, (1463), 1361 states have call successors, (1463) [2022-07-14 00:45:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6156 states to 6156 states and 8973 transitions. [2022-07-14 00:45:36,356 INFO L78 Accepts]: Start accepts. Automaton has 6156 states and 8973 transitions. Word has length 116 [2022-07-14 00:45:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:36,358 INFO L495 AbstractCegarLoop]: Abstraction has 6156 states and 8973 transitions. [2022-07-14 00:45:36,358 INFO L496 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) [2022-07-14 00:45:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 6156 states and 8973 transitions. [2022-07-14 00:45:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-14 00:45:36,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:36,367 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:45:36,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 00:45:36,368 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:36,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:36,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1841011683, now seen corresponding path program 1 times [2022-07-14 00:45:36,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:45:36,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973291938] [2022-07-14 00:45:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:36,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:45:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:45:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:45:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:45:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:45:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:45:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:45:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 00:45:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:45:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:45:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 00:45:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 00:45:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:45:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-14 00:45:36,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:45:36,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973291938] [2022-07-14 00:45:36,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973291938] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:36,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:36,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 00:45:36,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997386417] [2022-07-14 00:45:36,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:36,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:45:36,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:45:36,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:45:36,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:45:36,660 INFO L87 Difference]: Start difference. First operand 6156 states and 8973 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 00:45:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:51,359 INFO L93 Difference]: Finished difference Result 21014 states and 31678 transitions. [2022-07-14 00:45:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-14 00:45:51,360 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 166 [2022-07-14 00:45:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:51,436 INFO L225 Difference]: With dead ends: 21014 [2022-07-14 00:45:51,436 INFO L226 Difference]: Without dead ends: 14881 [2022-07-14 00:45:51,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-14 00:45:51,470 INFO L413 NwaCegarLoop]: 2371 mSDtfsCounter, 6764 mSDsluCounter, 5486 mSDsCounter, 0 mSdLazyCounter, 7700 mSolverCounterSat, 4939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7092 SdHoareTripleChecker+Valid, 7857 SdHoareTripleChecker+Invalid, 12639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4939 IncrementalHoareTripleChecker+Valid, 7700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:51,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7092 Valid, 7857 Invalid, 12639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4939 Valid, 7700 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-07-14 00:45:51,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14881 states. [2022-07-14 00:45:51,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14881 to 13196. [2022-07-14 00:45:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13196 states, 9382 states have (on average 1.3821146876998507) internal successors, (12967), 9893 states have internal predecessors, (12967), 2933 states have call successors, (2933), 677 states have call predecessors, (2933), 880 states have return successors, (3800), 2907 states have call predecessors, (3800), 2931 states have call successors, (3800) [2022-07-14 00:45:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13196 states to 13196 states and 19700 transitions. [2022-07-14 00:45:52,037 INFO L78 Accepts]: Start accepts. Automaton has 13196 states and 19700 transitions. Word has length 166 [2022-07-14 00:45:52,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:52,037 INFO L495 AbstractCegarLoop]: Abstraction has 13196 states and 19700 transitions. [2022-07-14 00:45:52,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 00:45:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 13196 states and 19700 transitions. [2022-07-14 00:45:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-14 00:45:52,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:52,056 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:45:52,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 00:45:52,057 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:52,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:52,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1331303249, now seen corresponding path program 1 times [2022-07-14 00:45:52,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:45:52,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24121802] [2022-07-14 00:45:52,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:52,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:45:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:45:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:45:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:45:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:45:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:45:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:45:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:45:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:45:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 00:45:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:45:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-14 00:45:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 00:45:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 00:45:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:45:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:45:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-14 00:45:52,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:45:52,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24121802] [2022-07-14 00:45:52,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24121802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:52,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:52,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:45:52,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253596754] [2022-07-14 00:45:52,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:52,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:45:52,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:45:52,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:45:52,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:45:52,479 INFO L87 Difference]: Start difference. First operand 13196 states and 19700 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 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) [2022-07-14 00:46:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:46:06,312 INFO L93 Difference]: Finished difference Result 30501 states and 46660 transitions. [2022-07-14 00:46:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 00:46:06,312 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 204 [2022-07-14 00:46:06,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:46:06,401 INFO L225 Difference]: With dead ends: 30501 [2022-07-14 00:46:06,401 INFO L226 Difference]: Without dead ends: 17328 [2022-07-14 00:46:06,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2022-07-14 00:46:06,464 INFO L413 NwaCegarLoop]: 2463 mSDtfsCounter, 5513 mSDsluCounter, 6482 mSDsCounter, 0 mSdLazyCounter, 6335 mSolverCounterSat, 3794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5783 SdHoareTripleChecker+Valid, 8945 SdHoareTripleChecker+Invalid, 10129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3794 IncrementalHoareTripleChecker+Valid, 6335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:46:06,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5783 Valid, 8945 Invalid, 10129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3794 Valid, 6335 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-07-14 00:46:06,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17328 states. [2022-07-14 00:46:07,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17328 to 13210. [2022-07-14 00:46:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13210 states, 9396 states have (on average 1.38154533844189) internal successors, (12981), 9907 states have internal predecessors, (12981), 2933 states have call successors, (2933), 677 states have call predecessors, (2933), 880 states have return successors, (3800), 2907 states have call predecessors, (3800), 2931 states have call successors, (3800) [2022-07-14 00:46:07,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13210 states to 13210 states and 19714 transitions. [2022-07-14 00:46:07,184 INFO L78 Accepts]: Start accepts. Automaton has 13210 states and 19714 transitions. Word has length 204 [2022-07-14 00:46:07,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:46:07,185 INFO L495 AbstractCegarLoop]: Abstraction has 13210 states and 19714 transitions. [2022-07-14 00:46:07,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 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) [2022-07-14 00:46:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 13210 states and 19714 transitions. [2022-07-14 00:46:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-14 00:46:07,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:46:07,203 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:46:07,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 00:46:07,203 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:46:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:46:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash 51529458, now seen corresponding path program 1 times [2022-07-14 00:46:07,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:46:07,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333730917] [2022-07-14 00:46:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:46:07,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:46:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:46:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:46:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:46:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:46:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:46:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:46:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:46:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 00:46:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-14 00:46:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 00:46:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 00:46:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 00:46:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:46:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 00:46:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-07-14 00:46:07,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:46:07,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333730917] [2022-07-14 00:46:07,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333730917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:46:07,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:46:07,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 00:46:07,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127900959] [2022-07-14 00:46:07,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:46:07,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:46:07,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:46:07,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:46:07,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:46:07,584 INFO L87 Difference]: Start difference. First operand 13210 states and 19714 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 00:46:19,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:46:19,897 INFO L93 Difference]: Finished difference Result 42383 states and 64222 transitions. [2022-07-14 00:46:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-14 00:46:19,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 221 [2022-07-14 00:46:19,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:46:20,058 INFO L225 Difference]: With dead ends: 42383 [2022-07-14 00:46:20,058 INFO L226 Difference]: Without dead ends: 29196 [2022-07-14 00:46:20,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-14 00:46:20,115 INFO L413 NwaCegarLoop]: 3671 mSDtfsCounter, 5897 mSDsluCounter, 5144 mSDsCounter, 0 mSdLazyCounter, 5621 mSolverCounterSat, 5230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6254 SdHoareTripleChecker+Valid, 8815 SdHoareTripleChecker+Invalid, 10851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5230 IncrementalHoareTripleChecker+Valid, 5621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:46:20,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6254 Valid, 8815 Invalid, 10851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5230 Valid, 5621 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-14 00:46:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29196 states. [2022-07-14 00:46:21,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29196 to 25943. [2022-07-14 00:46:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25943 states, 18484 states have (on average 1.3825470677342566) internal successors, (25555), 19485 states have internal predecessors, (25555), 5723 states have call successors, (5723), 1328 states have call predecessors, (5723), 1735 states have return successors, (7451), 5673 states have call predecessors, (7451), 5721 states have call successors, (7451) [2022-07-14 00:46:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25943 states to 25943 states and 38729 transitions. [2022-07-14 00:46:21,439 INFO L78 Accepts]: Start accepts. Automaton has 25943 states and 38729 transitions. Word has length 221 [2022-07-14 00:46:21,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:46:21,439 INFO L495 AbstractCegarLoop]: Abstraction has 25943 states and 38729 transitions. [2022-07-14 00:46:21,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 00:46:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 25943 states and 38729 transitions. [2022-07-14 00:46:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-14 00:46:21,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:46:21,481 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:46:21,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 00:46:21,482 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:46:21,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:46:21,482 INFO L85 PathProgramCache]: Analyzing trace with hash 816682496, now seen corresponding path program 1 times [2022-07-14 00:46:21,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:46:21,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184002611] [2022-07-14 00:46:21,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:46:21,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:46:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:46:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:46:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:46:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:46:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:46:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:46:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:46:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:46:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 00:46:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:46:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:46:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 00:46:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:46:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:46:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 00:46:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 00:46:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 00:46:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 00:46:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 00:46:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-07-14 00:46:22,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:46:22,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184002611] [2022-07-14 00:46:22,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184002611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:46:22,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:46:22,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:46:22,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141573814] [2022-07-14 00:46:22,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:46:22,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:46:22,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:46:22,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:46:22,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:46:22,054 INFO L87 Difference]: Start difference. First operand 25943 states and 38729 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 00:46:33,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:46:33,139 INFO L93 Difference]: Finished difference Result 44345 states and 66706 transitions. [2022-07-14 00:46:33,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 00:46:33,140 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 247 [2022-07-14 00:46:33,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:46:33,226 INFO L225 Difference]: With dead ends: 44345 [2022-07-14 00:46:33,226 INFO L226 Difference]: Without dead ends: 18433 [2022-07-14 00:46:33,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:46:33,298 INFO L413 NwaCegarLoop]: 2105 mSDtfsCounter, 2545 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 5067 mSolverCounterSat, 2206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2686 SdHoareTripleChecker+Valid, 5935 SdHoareTripleChecker+Invalid, 7273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2206 IncrementalHoareTripleChecker+Valid, 5067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:46:33,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2686 Valid, 5935 Invalid, 7273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2206 Valid, 5067 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-07-14 00:46:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18433 states. [2022-07-14 00:46:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18433 to 16309. [2022-07-14 00:46:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16309 states, 11595 states have (on average 1.378697714532126) internal successors, (15986), 12227 states have internal predecessors, (15986), 3599 states have call successors, (3599), 860 states have call predecessors, (3599), 1114 states have return successors, (4672), 3565 states have call predecessors, (4672), 3597 states have call successors, (4672) [2022-07-14 00:46:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16309 states to 16309 states and 24257 transitions. [2022-07-14 00:46:34,142 INFO L78 Accepts]: Start accepts. Automaton has 16309 states and 24257 transitions. Word has length 247 [2022-07-14 00:46:34,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:46:34,143 INFO L495 AbstractCegarLoop]: Abstraction has 16309 states and 24257 transitions. [2022-07-14 00:46:34,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 00:46:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 16309 states and 24257 transitions. [2022-07-14 00:46:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-14 00:46:34,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:46:34,197 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:46:34,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 00:46:34,197 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:46:34,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:46:34,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1312272858, now seen corresponding path program 1 times [2022-07-14 00:46:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:46:34,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117216209] [2022-07-14 00:46:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:46:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:46:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:46:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:46:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:46:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:46:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:46:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:46:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 00:46:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:46:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:46:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:46:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:46:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 00:46:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:46:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 00:46:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:46:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:46:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 00:46:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 00:46:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:46:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 00:46:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 00:46:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:46:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:46:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:46:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-14 00:46:34,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:46:34,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117216209] [2022-07-14 00:46:34,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117216209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:46:34,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:46:34,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 00:46:34,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380044754] [2022-07-14 00:46:34,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:46:34,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 00:46:34,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:46:34,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 00:46:34,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:46:34,752 INFO L87 Difference]: Start difference. First operand 16309 states and 24257 transitions. Second operand has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:46:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:46:53,367 INFO L93 Difference]: Finished difference Result 34777 states and 52337 transitions. [2022-07-14 00:46:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:46:53,368 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 290 [2022-07-14 00:46:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:46:53,446 INFO L225 Difference]: With dead ends: 34777 [2022-07-14 00:46:53,446 INFO L226 Difference]: Without dead ends: 18501 [2022-07-14 00:46:53,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-14 00:46:53,500 INFO L413 NwaCegarLoop]: 1969 mSDtfsCounter, 3873 mSDsluCounter, 4991 mSDsCounter, 0 mSdLazyCounter, 7095 mSolverCounterSat, 2321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 6960 SdHoareTripleChecker+Invalid, 9416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2321 IncrementalHoareTripleChecker+Valid, 7095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:46:53,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 6960 Invalid, 9416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2321 Valid, 7095 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2022-07-14 00:46:53,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18501 states. [2022-07-14 00:46:54,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18501 to 16289. [2022-07-14 00:46:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16289 states, 11585 states have (on average 1.3781614156236512) internal successors, (15966), 12217 states have internal predecessors, (15966), 3589 states have call successors, (3589), 860 states have call predecessors, (3589), 1114 states have return successors, (4642), 3555 states have call predecessors, (4642), 3587 states have call successors, (4642) [2022-07-14 00:46:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16289 states to 16289 states and 24197 transitions. [2022-07-14 00:46:54,476 INFO L78 Accepts]: Start accepts. Automaton has 16289 states and 24197 transitions. Word has length 290 [2022-07-14 00:46:54,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:46:54,477 INFO L495 AbstractCegarLoop]: Abstraction has 16289 states and 24197 transitions. [2022-07-14 00:46:54,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:46:54,477 INFO L276 IsEmpty]: Start isEmpty. Operand 16289 states and 24197 transitions. [2022-07-14 00:46:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-14 00:46:54,516 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:46:54,516 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:46:54,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 00:46:54,517 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:46:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:46:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash 455950457, now seen corresponding path program 1 times [2022-07-14 00:46:54,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:46:54,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534204351] [2022-07-14 00:46:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:46:54,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:46:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:46:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:46:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:46:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:46:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:46:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:46:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-14 00:46:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:46:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:46:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:46:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:46:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 00:46:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:46:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 00:46:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:46:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:46:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 00:46:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 00:46:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:46:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 00:46:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 00:46:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:46:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:46:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:46:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:46:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:46:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:46:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-14 00:46:55,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:46:55,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534204351] [2022-07-14 00:46:55,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534204351] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:46:55,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:46:55,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 00:46:55,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269987933] [2022-07-14 00:46:55,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:46:55,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 00:46:55,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:46:55,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 00:46:55,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:46:55,265 INFO L87 Difference]: Start difference. First operand 16289 states and 24197 transitions. Second operand has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:47:02,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:08,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:47:08,553 INFO L93 Difference]: Finished difference Result 34737 states and 52212 transitions. [2022-07-14 00:47:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:47:08,554 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 288 [2022-07-14 00:47:08,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:47:08,641 INFO L225 Difference]: With dead ends: 34737 [2022-07-14 00:47:08,641 INFO L226 Difference]: Without dead ends: 18481 [2022-07-14 00:47:08,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-14 00:47:08,684 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 4591 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 5042 mSolverCounterSat, 2938 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4866 SdHoareTripleChecker+Valid, 5720 SdHoareTripleChecker+Invalid, 7980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2938 IncrementalHoareTripleChecker+Valid, 5042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:47:08,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4866 Valid, 5720 Invalid, 7980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2938 Valid, 5042 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-07-14 00:47:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18481 states. [2022-07-14 00:47:09,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18481 to 16269. [2022-07-14 00:47:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16269 states, 11575 states have (on average 1.3776241900647948) internal successors, (15946), 12207 states have internal predecessors, (15946), 3579 states have call successors, (3579), 860 states have call predecessors, (3579), 1114 states have return successors, (4612), 3545 states have call predecessors, (4612), 3577 states have call successors, (4612) [2022-07-14 00:47:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16269 states to 16269 states and 24137 transitions. [2022-07-14 00:47:09,774 INFO L78 Accepts]: Start accepts. Automaton has 16269 states and 24137 transitions. Word has length 288 [2022-07-14 00:47:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:47:09,778 INFO L495 AbstractCegarLoop]: Abstraction has 16269 states and 24137 transitions. [2022-07-14 00:47:09,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:47:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 16269 states and 24137 transitions. [2022-07-14 00:47:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-07-14 00:47:09,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:47:09,815 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:47:09,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 00:47:09,816 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:47:09,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:47:09,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2077042340, now seen corresponding path program 1 times [2022-07-14 00:47:09,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:47:09,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741482101] [2022-07-14 00:47:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:09,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:47:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:47:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:47:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:47:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:47:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:47:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:47:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 00:47:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:47:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:47:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:47:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:47:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 00:47:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:47:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 00:47:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:47:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:47:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 00:47:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 00:47:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:47:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 00:47:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 00:47:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:47:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:47:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:47:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-14 00:47:10,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:47:10,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741482101] [2022-07-14 00:47:10,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741482101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:47:10,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:47:10,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 00:47:10,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564723281] [2022-07-14 00:47:10,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:47:10,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 00:47:10,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:47:10,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 00:47:10,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:47:10,427 INFO L87 Difference]: Start difference. First operand 16269 states and 24137 transitions. Second operand has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:47:26,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:47:26,077 INFO L93 Difference]: Finished difference Result 34697 states and 52087 transitions. [2022-07-14 00:47:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:47:26,078 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 289 [2022-07-14 00:47:26,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:47:26,149 INFO L225 Difference]: With dead ends: 34697 [2022-07-14 00:47:26,150 INFO L226 Difference]: Without dead ends: 18461 [2022-07-14 00:47:26,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-14 00:47:26,192 INFO L413 NwaCegarLoop]: 1971 mSDtfsCounter, 5621 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 7344 mSolverCounterSat, 4043 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5891 SdHoareTripleChecker+Valid, 6948 SdHoareTripleChecker+Invalid, 11387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4043 IncrementalHoareTripleChecker+Valid, 7344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:47:26,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5891 Valid, 6948 Invalid, 11387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4043 Valid, 7344 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-07-14 00:47:26,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18461 states. [2022-07-14 00:47:27,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18461 to 16249. [2022-07-14 00:47:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16249 states, 11565 states have (on average 1.3770860354517942) internal successors, (15926), 12197 states have internal predecessors, (15926), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1114 states have return successors, (4582), 3535 states have call predecessors, (4582), 3567 states have call successors, (4582) [2022-07-14 00:47:27,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16249 states to 16249 states and 24077 transitions. [2022-07-14 00:47:27,165 INFO L78 Accepts]: Start accepts. Automaton has 16249 states and 24077 transitions. Word has length 289 [2022-07-14 00:47:27,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:47:27,166 INFO L495 AbstractCegarLoop]: Abstraction has 16249 states and 24077 transitions. [2022-07-14 00:47:27,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:47:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 16249 states and 24077 transitions. [2022-07-14 00:47:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-07-14 00:47:27,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:47:27,203 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:47:27,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 00:47:27,203 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:47:27,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:47:27,204 INFO L85 PathProgramCache]: Analyzing trace with hash -506907953, now seen corresponding path program 1 times [2022-07-14 00:47:27,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:47:27,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287340969] [2022-07-14 00:47:27,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:27,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:47:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:47:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:47:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:47:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:47:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:47:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:47:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 00:47:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:47:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:47:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:47:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:47:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 00:47:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:47:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 00:47:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:47:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:47:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 00:47:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 00:47:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:47:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 00:47:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 00:47:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:47:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:47:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:47:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-14 00:47:27,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:47:27,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287340969] [2022-07-14 00:47:27,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287340969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:47:27,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:47:27,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 00:47:27,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490657512] [2022-07-14 00:47:27,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:47:27,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 00:47:27,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:47:27,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 00:47:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:47:27,780 INFO L87 Difference]: Start difference. First operand 16249 states and 24077 transitions. Second operand has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:47:42,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:47:42,299 INFO L93 Difference]: Finished difference Result 34657 states and 51962 transitions. [2022-07-14 00:47:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:47:42,302 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 287 [2022-07-14 00:47:42,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:47:42,369 INFO L225 Difference]: With dead ends: 34657 [2022-07-14 00:47:42,369 INFO L226 Difference]: Without dead ends: 18441 [2022-07-14 00:47:42,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-14 00:47:42,404 INFO L413 NwaCegarLoop]: 2021 mSDtfsCounter, 4022 mSDsluCounter, 5158 mSDsCounter, 0 mSdLazyCounter, 7561 mSolverCounterSat, 2710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4285 SdHoareTripleChecker+Valid, 7179 SdHoareTripleChecker+Invalid, 10271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2710 IncrementalHoareTripleChecker+Valid, 7561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:47:42,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4285 Valid, 7179 Invalid, 10271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2710 Valid, 7561 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2022-07-14 00:47:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18441 states. [2022-07-14 00:47:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18441 to 16229. [2022-07-14 00:47:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16229 states, 11555 states have (on average 1.376546949372566) internal successors, (15906), 12187 states have internal predecessors, (15906), 3559 states have call successors, (3559), 860 states have call predecessors, (3559), 1114 states have return successors, (4552), 3525 states have call predecessors, (4552), 3557 states have call successors, (4552) [2022-07-14 00:47:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16229 states to 16229 states and 24017 transitions. [2022-07-14 00:47:43,326 INFO L78 Accepts]: Start accepts. Automaton has 16229 states and 24017 transitions. Word has length 287 [2022-07-14 00:47:43,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:47:43,326 INFO L495 AbstractCegarLoop]: Abstraction has 16229 states and 24017 transitions. [2022-07-14 00:47:43,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:47:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 16229 states and 24017 transitions. [2022-07-14 00:47:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-14 00:47:43,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:47:43,344 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:47:43,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 00:47:43,344 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:47:43,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:47:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1304651142, now seen corresponding path program 1 times [2022-07-14 00:47:43,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:47:43,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526952358] [2022-07-14 00:47:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:43,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:47:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:47:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:47:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:47:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:47:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:47:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:47:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:47:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 00:47:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-14 00:47:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 00:47:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 00:47:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 00:47:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:47:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 00:47:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:47:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:47:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 00:47:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 00:47:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:47:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 00:47:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 00:47:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 00:47:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 00:47:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-14 00:47:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 00:47:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 00:47:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-14 00:47:43,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:47:43,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526952358] [2022-07-14 00:47:43,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526952358] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:47:43,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263143934] [2022-07-14 00:47:43,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:43,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:47:43,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:47:43,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 00:47:43,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 00:47:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:44,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 2923 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:47:44,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:47:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-14 00:47:44,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:47:44,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263143934] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:47:44,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:47:44,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-14 00:47:44,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516564481] [2022-07-14 00:47:44,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:47:44,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:47:44,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:47:44,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:47:44,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:47:44,917 INFO L87 Difference]: Start difference. First operand 16229 states and 24017 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 00:47:46,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:47:46,648 INFO L93 Difference]: Finished difference Result 29395 states and 43583 transitions. [2022-07-14 00:47:46,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:47:46,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2022-07-14 00:47:46,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:47:46,728 INFO L225 Difference]: With dead ends: 29395 [2022-07-14 00:47:46,728 INFO L226 Difference]: Without dead ends: 22834 [2022-07-14 00:47:46,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-07-14 00:47:46,748 INFO L413 NwaCegarLoop]: 4509 mSDtfsCounter, 2959 mSDsluCounter, 10512 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 15021 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:47:46,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 15021 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 00:47:46,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22834 states. [2022-07-14 00:47:47,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22834 to 16253. [2022-07-14 00:47:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16253 states, 11569 states have (on average 1.3760912784164578) internal successors, (15920), 12203 states have internal predecessors, (15920), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1114 states have return successors, (4564), 3535 states have call predecessors, (4564), 3567 states have call successors, (4564) [2022-07-14 00:47:47,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16253 states to 16253 states and 24053 transitions. [2022-07-14 00:47:47,863 INFO L78 Accepts]: Start accepts. Automaton has 16253 states and 24053 transitions. Word has length 296 [2022-07-14 00:47:47,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:47:47,864 INFO L495 AbstractCegarLoop]: Abstraction has 16253 states and 24053 transitions. [2022-07-14 00:47:47,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 00:47:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 16253 states and 24053 transitions. [2022-07-14 00:47:47,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-14 00:47:47,880 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:47:47,881 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:47:47,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:47:48,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-14 00:47:48,091 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:47:48,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:47:48,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1389245048, now seen corresponding path program 1 times [2022-07-14 00:47:48,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:47:48,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199775524] [2022-07-14 00:47:48,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:48,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:47:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:47:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:47:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:47:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:47:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:47:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:47:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:47:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 00:47:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-14 00:47:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 00:47:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 00:47:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 00:47:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:47:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 00:47:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:47:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:47:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 00:47:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 00:47:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:47:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 00:47:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 00:47:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 00:47:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 00:47:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-14 00:47:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 00:47:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 00:47:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-07-14 00:47:48,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:47:48,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199775524] [2022-07-14 00:47:48,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199775524] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:47:48,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358118774] [2022-07-14 00:47:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:48,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:47:48,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:47:48,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 00:47:48,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 00:47:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:49,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-14 00:47:49,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:47:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-07-14 00:47:49,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:47:49,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358118774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:47:49,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:47:49,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-07-14 00:47:49,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421660465] [2022-07-14 00:47:49,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:47:49,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:47:49,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:47:49,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:47:49,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-07-14 00:47:49,649 INFO L87 Difference]: Start difference. First operand 16253 states and 24053 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 00:47:50,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:47:50,573 INFO L93 Difference]: Finished difference Result 32517 states and 48154 transitions. [2022-07-14 00:47:50,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:47:50,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 296 [2022-07-14 00:47:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:47:50,641 INFO L225 Difference]: With dead ends: 32517 [2022-07-14 00:47:50,642 INFO L226 Difference]: Without dead ends: 16283 [2022-07-14 00:47:50,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-07-14 00:47:50,688 INFO L413 NwaCegarLoop]: 2345 mSDtfsCounter, 6 mSDsluCounter, 9363 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11708 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:47:50,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11708 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:47:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16283 states. [2022-07-14 00:47:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16283 to 16256. [2022-07-14 00:47:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16256 states, 11571 states have (on average 1.3761126955319334) internal successors, (15923), 12206 states have internal predecessors, (15923), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1115 states have return successors, (4568), 3535 states have call predecessors, (4568), 3567 states have call successors, (4568) [2022-07-14 00:47:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16256 states to 16256 states and 24060 transitions. [2022-07-14 00:47:51,881 INFO L78 Accepts]: Start accepts. Automaton has 16256 states and 24060 transitions. Word has length 296 [2022-07-14 00:47:51,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:47:51,882 INFO L495 AbstractCegarLoop]: Abstraction has 16256 states and 24060 transitions. [2022-07-14 00:47:51,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 00:47:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16256 states and 24060 transitions. [2022-07-14 00:47:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-14 00:47:51,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:47:51,901 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:47:51,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-14 00:47:52,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-14 00:47:52,103 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:47:52,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:47:52,103 INFO L85 PathProgramCache]: Analyzing trace with hash 212234994, now seen corresponding path program 1 times [2022-07-14 00:47:52,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:47:52,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682661794] [2022-07-14 00:47:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:47:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:47:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:47:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:47:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:47:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:47:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 00:47:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:47:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 00:47:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:47:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:47:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 00:47:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 00:47:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 00:47:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:47:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:47:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:47:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 00:47:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 00:47:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:47:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-14 00:47:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-14 00:47:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 00:47:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-14 00:47:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 00:47:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 00:47:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 00:47:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-14 00:47:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-14 00:47:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-14 00:47:52,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:47:52,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682661794] [2022-07-14 00:47:52,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682661794] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:47:52,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474968591] [2022-07-14 00:47:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:47:52,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:47:52,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:47:52,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 00:47:52,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-14 00:47:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:47:53,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 2948 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-14 00:47:53,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:47:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 124 proven. 1 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-07-14 00:47:53,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:47:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-14 00:47:54,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474968591] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:47:54,094 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 00:47:54,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 20 [2022-07-14 00:47:54,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456454368] [2022-07-14 00:47:54,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 00:47:54,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-14 00:47:54,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:47:54,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-14 00:47:54,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:47:54,096 INFO L87 Difference]: Start difference. First operand 16256 states and 24060 transitions. Second operand has 20 states, 18 states have (on average 11.333333333333334) internal successors, (204), 13 states have internal predecessors, (204), 4 states have call successors, (78), 8 states have call predecessors, (78), 6 states have return successors, (63), 5 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 00:48:17,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:48:17,837 INFO L93 Difference]: Finished difference Result 34653 states and 51954 transitions. [2022-07-14 00:48:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-14 00:48:17,841 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 11.333333333333334) internal successors, (204), 13 states have internal predecessors, (204), 4 states have call successors, (78), 8 states have call predecessors, (78), 6 states have return successors, (63), 5 states have call predecessors, (63), 4 states have call successors, (63) Word has length 298 [2022-07-14 00:48:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:48:17,896 INFO L225 Difference]: With dead ends: 34653 [2022-07-14 00:48:17,896 INFO L226 Difference]: Without dead ends: 18416 [2022-07-14 00:48:17,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 665 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2022-07-14 00:48:17,924 INFO L413 NwaCegarLoop]: 2112 mSDtfsCounter, 2556 mSDsluCounter, 14489 mSDsCounter, 0 mSdLazyCounter, 18417 mSolverCounterSat, 2183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 16601 SdHoareTripleChecker+Invalid, 20600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2183 IncrementalHoareTripleChecker+Valid, 18417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:48:17,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 16601 Invalid, 20600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2183 Valid, 18417 Invalid, 0 Unknown, 0 Unchecked, 21.9s Time] [2022-07-14 00:48:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18416 states. [2022-07-14 00:48:18,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18416 to 16269. [2022-07-14 00:48:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16269 states, 11582 states have (on average 1.375841823519254) internal successors, (15935), 12215 states have internal predecessors, (15935), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1117 states have return successors, (4577), 3539 states have call predecessors, (4577), 3567 states have call successors, (4577) [2022-07-14 00:48:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16269 states to 16269 states and 24081 transitions. [2022-07-14 00:48:18,830 INFO L78 Accepts]: Start accepts. Automaton has 16269 states and 24081 transitions. Word has length 298 [2022-07-14 00:48:18,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:48:18,830 INFO L495 AbstractCegarLoop]: Abstraction has 16269 states and 24081 transitions. [2022-07-14 00:48:18,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 11.333333333333334) internal successors, (204), 13 states have internal predecessors, (204), 4 states have call successors, (78), 8 states have call predecessors, (78), 6 states have return successors, (63), 5 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 00:48:18,830 INFO L276 IsEmpty]: Start isEmpty. Operand 16269 states and 24081 transitions. [2022-07-14 00:48:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-14 00:48:18,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:48:18,849 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:48:18,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:48:19,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:48:19,050 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:48:19,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:48:19,051 INFO L85 PathProgramCache]: Analyzing trace with hash -109982936, now seen corresponding path program 1 times [2022-07-14 00:48:19,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:48:19,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90962597] [2022-07-14 00:48:19,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:48:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:48:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:48:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:48:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:48:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:48:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:48:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:48:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:48:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:48:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:48:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:48:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-14 00:48:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:48:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-14 00:48:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:48:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 00:48:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:48:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 00:48:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:48:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-14 00:48:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 00:48:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:48:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 00:48:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 00:48:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 00:48:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-14 00:48:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 00:48:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 00:48:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 00:48:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 00:48:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-14 00:48:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 00:48:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 00:48:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 00:48:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 00:48:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:48:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-07-14 00:48:19,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:48:19,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90962597] [2022-07-14 00:48:19,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90962597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:48:19,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:48:19,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-14 00:48:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627908276] [2022-07-14 00:48:19,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:48:19,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 00:48:19,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:48:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 00:48:19,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-07-14 00:48:19,638 INFO L87 Difference]: Start difference. First operand 16269 states and 24081 transitions. Second operand has 15 states, 14 states have (on average 8.571428571428571) internal successors, (120), 7 states have internal predecessors, (120), 3 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31)