./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79172d5077d4821f59ec3ee2d8a7cf5ca2cb3c5c1b82d4680e26c94b2b62bba2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:24:10,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:24:10,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:24:10,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:24:10,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:24:10,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:24:10,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:24:10,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:24:10,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:24:10,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:24:10,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:24:10,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:24:10,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:24:10,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:24:10,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:24:10,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:24:10,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:24:10,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:24:10,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:24:10,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:24:10,375 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:24:10,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:24:10,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:24:10,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:24:10,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:24:10,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:24:10,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:24:10,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:24:10,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:24:10,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:24:10,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:24:10,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:24:10,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:24:10,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:24:10,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:24:10,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:24:10,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:24:10,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:24:10,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:24:10,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:24:10,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:24:10,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:24:10,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:24:10,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:24:10,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:24:10,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:24:10,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:24:10,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:24:10,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:24:10,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:24:10,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:24:10,439 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:24:10,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:24:10,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:24:10,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:24:10,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:24:10,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:24:10,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:24:10,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:24:10,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:24:10,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:24:10,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:24:10,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:24:10,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:24:10,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:24:10,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:24:10,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:24:10,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:24:10,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:24:10,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:24:10,444 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:24:10,444 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:24:10,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:24:10,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79172d5077d4821f59ec3ee2d8a7cf5ca2cb3c5c1b82d4680e26c94b2b62bba2 [2022-07-23 00:24:10,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:24:10,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:24:10,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:24:10,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:24:10,769 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:24:10,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-23 00:24:10,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af7f930a/1d995fe76d8c40a6a3527450b0f7cbfb/FLAGec0b5bef4 [2022-07-23 00:24:11,635 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:24:11,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-23 00:24:11,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af7f930a/1d995fe76d8c40a6a3527450b0f7cbfb/FLAGec0b5bef4 [2022-07-23 00:24:12,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af7f930a/1d995fe76d8c40a6a3527450b0f7cbfb [2022-07-23 00:24:12,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:24:12,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:24:12,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:24:12,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:24:12,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:24:12,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:24:12" (1/1) ... [2022-07-23 00:24:12,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed5a1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:12, skipping insertion in model container [2022-07-23 00:24:12,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:24:12" (1/1) ... [2022-07-23 00:24:12,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:24:12,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:24:14,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2022-07-23 00:24:14,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:24:14,185 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:24:14,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2022-07-23 00:24:14,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:24:14,611 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:24:14,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14 WrapperNode [2022-07-23 00:24:14,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:24:14,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:24:14,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:24:14,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:24:14,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:14,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,000 INFO L137 Inliner]: procedures = 260, calls = 1808, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4669 [2022-07-23 00:24:15,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:24:15,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:24:15,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:24:15,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:24:15,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:24:15,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:24:15,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:24:15,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:24:15,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (1/1) ... [2022-07-23 00:24:15,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:24:15,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:24:15,421 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) [2022-07-23 00:24:15,444 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 [2022-07-23 00:24:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 00:24:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 00:24:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:24:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:24:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:24:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:24:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:24:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:24:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-07-23 00:24:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-07-23 00:24:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2022-07-23 00:24:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2022-07-23 00:24:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-07-23 00:24:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-07-23 00:24:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-07-23 00:24:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-07-23 00:24:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-23 00:24:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-23 00:24:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-23 00:24:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-23 00:24:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:24:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:24:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-23 00:24:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-23 00:24:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 00:24:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 00:24:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-07-23 00:24:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-07-23 00:24:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:24:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:24:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:24:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:24:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:24:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:24:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2022-07-23 00:24:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2022-07-23 00:24:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:24:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:24:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-07-23 00:24:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-07-23 00:24:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-23 00:24:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-23 00:24:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-07-23 00:24:15,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-07-23 00:24:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:24:15,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:24:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-07-23 00:24:15,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-07-23 00:24:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-07-23 00:24:15,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-07-23 00:24:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2022-07-23 00:24:15,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2022-07-23 00:24:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:24:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2022-07-23 00:24:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2022-07-23 00:24:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:24:15,471 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:24:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-23 00:24:15,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-23 00:24:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:24:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-07-23 00:24:15,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-07-23 00:24:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 00:24:15,472 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 00:24:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-07-23 00:24:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-07-23 00:24:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-07-23 00:24:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-07-23 00:24:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2022-07-23 00:24:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2022-07-23 00:24:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-23 00:24:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-23 00:24:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:24:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:24:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 00:24:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 00:24:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:24:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:24:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-07-23 00:24:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-07-23 00:24:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:24:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:24:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 00:24:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 00:24:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-07-23 00:24:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-07-23 00:24:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-23 00:24:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-23 00:24:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-07-23 00:24:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-07-23 00:24:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-07-23 00:24:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-07-23 00:24:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 00:24:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 00:24:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-23 00:24:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-23 00:24:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:24:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-07-23 00:24:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-07-23 00:24:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:24:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-07-23 00:24:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-07-23 00:24:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-23 00:24:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-23 00:24:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:24:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-07-23 00:24:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-07-23 00:24:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-23 00:24:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-23 00:24:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:24:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:24:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 00:24:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 00:24:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-07-23 00:24:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-07-23 00:24:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 00:24:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 00:24:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:24:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:24:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-23 00:24:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-23 00:24:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:24:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-07-23 00:24:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-07-23 00:24:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-07-23 00:24:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-07-23 00:24:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-07-23 00:24:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-07-23 00:24:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:24:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:24:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2022-07-23 00:24:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2022-07-23 00:24:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:24:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:24:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:24:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-07-23 00:24:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-07-23 00:24:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-07-23 00:24:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-07-23 00:24:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:24:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:24:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-23 00:24:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-23 00:24:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-07-23 00:24:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-07-23 00:24:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:24:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-07-23 00:24:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-07-23 00:24:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-07-23 00:24:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-07-23 00:24:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2022-07-23 00:24:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2022-07-23 00:24:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 00:24:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 00:24:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:24:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-07-23 00:24:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-07-23 00:24:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:24:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:24:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-07-23 00:24:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-07-23 00:24:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-07-23 00:24:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-07-23 00:24:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 00:24:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 00:24:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 00:24:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 00:24:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 00:24:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 00:24:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-07-23 00:24:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-07-23 00:24:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-23 00:24:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-23 00:24:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-07-23 00:24:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-07-23 00:24:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-07-23 00:24:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-07-23 00:24:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 00:24:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 00:24:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 00:24:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 00:24:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-07-23 00:24:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-07-23 00:24:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-23 00:24:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-23 00:24:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-23 00:24:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-23 00:24:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2022-07-23 00:24:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2022-07-23 00:24:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-23 00:24:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-23 00:24:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:24:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-23 00:24:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-23 00:24:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-07-23 00:24:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-07-23 00:24:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 00:24:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 00:24:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-07-23 00:24:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-07-23 00:24:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-07-23 00:24:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-07-23 00:24:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 00:24:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:24:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:24:16,298 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:24:16,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:24:17,805 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:24:21,210 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:24:21,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:24:21,237 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:24:21,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:24:21 BoogieIcfgContainer [2022-07-23 00:24:21,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:24:21,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:24:21,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:24:21,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:24:21,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:24:12" (1/3) ... [2022-07-23 00:24:21,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56386049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:24:21, skipping insertion in model container [2022-07-23 00:24:21,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:14" (2/3) ... [2022-07-23 00:24:21,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56386049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:24:21, skipping insertion in model container [2022-07-23 00:24:21,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:24:21" (3/3) ... [2022-07-23 00:24:21,252 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-23 00:24:21,268 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:24:21,269 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:24:21,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:24:21,359 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@3a6979af, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@544b17ed [2022-07-23 00:24:21,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:24:21,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 1667 states, 1188 states have (on average 1.4267676767676767) internal successors, (1695), 1254 states have internal predecessors, (1695), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) [2022-07-23 00:24:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 00:24:21,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:21,390 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] [2022-07-23 00:24:21,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:21,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:21,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1823078644, now seen corresponding path program 1 times [2022-07-23 00:24:21,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:21,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590410148] [2022-07-23 00:24:21,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:21,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:24:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:24:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:24:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:24:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:24:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:24:22,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:24:22,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590410148] [2022-07-23 00:24:22,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590410148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:22,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:24:22,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:24:22,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010211932] [2022-07-23 00:24:22,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:22,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:24:22,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:24:22,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:24:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:24:22,286 INFO L87 Difference]: Start difference. First operand has 1667 states, 1188 states have (on average 1.4267676767676767) internal successors, (1695), 1254 states have internal predecessors, (1695), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 00:24:30,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:24:30,445 INFO L93 Difference]: Finished difference Result 3492 states and 5287 transitions. [2022-07-23 00:24:30,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:24:30,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2022-07-23 00:24:30,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:24:30,481 INFO L225 Difference]: With dead ends: 3492 [2022-07-23 00:24:30,482 INFO L226 Difference]: Without dead ends: 1813 [2022-07-23 00:24:30,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:24:30,507 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 1190 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 976 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 3935 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 976 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:24:30,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 3935 Invalid, 2603 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [976 Valid, 1627 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-23 00:24:30,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2022-07-23 00:24:30,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1651. [2022-07-23 00:24:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1183 states have (on average 1.3846153846153846) internal successors, (1638), 1238 states have internal predecessors, (1638), 375 states have call successors, (375), 93 states have call predecessors, (375), 92 states have return successors, (371), 345 states have call predecessors, (371), 371 states have call successors, (371) [2022-07-23 00:24:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2384 transitions. [2022-07-23 00:24:30,683 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2384 transitions. Word has length 114 [2022-07-23 00:24:30,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:24:30,684 INFO L495 AbstractCegarLoop]: Abstraction has 1651 states and 2384 transitions. [2022-07-23 00:24:30,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 00:24:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2384 transitions. [2022-07-23 00:24:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 00:24:30,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:30,694 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] [2022-07-23 00:24:30,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:24:30,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:30,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:30,696 INFO L85 PathProgramCache]: Analyzing trace with hash 271653140, now seen corresponding path program 1 times [2022-07-23 00:24:30,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:30,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362198581] [2022-07-23 00:24:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:30,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:30,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:24:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:24:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:24:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:24:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:24:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:24:31,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:24:31,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362198581] [2022-07-23 00:24:31,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362198581] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:31,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:24:31,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:24:31,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049295258] [2022-07-23 00:24:31,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:31,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:24:31,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:24:31,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:24:31,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:24:31,108 INFO L87 Difference]: Start difference. First operand 1651 states and 2384 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) [2022-07-23 00:24:40,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:24:40,110 INFO L93 Difference]: Finished difference Result 5221 states and 7806 transitions. [2022-07-23 00:24:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:24:40,111 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 [2022-07-23 00:24:40,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:24:40,140 INFO L225 Difference]: With dead ends: 5221 [2022-07-23 00:24:40,140 INFO L226 Difference]: Without dead ends: 3593 [2022-07-23 00:24:40,155 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 [2022-07-23 00:24:40,159 INFO L413 NwaCegarLoop]: 2762 mSDtfsCounter, 5570 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 3136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5782 SdHoareTripleChecker+Valid, 5433 SdHoareTripleChecker+Invalid, 5510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3136 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:24:40,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5782 Valid, 5433 Invalid, 5510 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3136 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-07-23 00:24:40,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3593 states. [2022-07-23 00:24:40,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3593 to 3300. [2022-07-23 00:24:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 2365 states have (on average 1.3830866807610993) internal successors, (3271), 2475 states have internal predecessors, (3271), 742 states have call successors, (742), 184 states have call predecessors, (742), 192 states have return successors, (790), 694 states have call predecessors, (790), 738 states have call successors, (790) [2022-07-23 00:24:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4803 transitions. [2022-07-23 00:24:40,357 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4803 transitions. Word has length 114 [2022-07-23 00:24:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:24:40,360 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 4803 transitions. [2022-07-23 00:24:40,360 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) [2022-07-23 00:24:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4803 transitions. [2022-07-23 00:24:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-23 00:24:40,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:40,371 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] [2022-07-23 00:24:40,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:24:40,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:40,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:40,374 INFO L85 PathProgramCache]: Analyzing trace with hash -169226874, now seen corresponding path program 1 times [2022-07-23 00:24:40,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:40,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385226429] [2022-07-23 00:24:40,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:40,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:24:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:24:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:24:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:24:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:24:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:24:40,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:24:40,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385226429] [2022-07-23 00:24:40,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385226429] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:40,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:24:40,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:24:40,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007554709] [2022-07-23 00:24:40,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:40,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:24:40,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:24:40,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:24:40,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:24:40,752 INFO L87 Difference]: Start difference. First operand 3300 states and 4803 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) [2022-07-23 00:24:49,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:55,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:24:55,644 INFO L93 Difference]: Finished difference Result 10068 states and 15121 transitions. [2022-07-23 00:24:55,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:24:55,645 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 [2022-07-23 00:24:55,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:24:55,698 INFO L225 Difference]: With dead ends: 10068 [2022-07-23 00:24:55,698 INFO L226 Difference]: Without dead ends: 6791 [2022-07-23 00:24:55,721 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 [2022-07-23 00:24:55,722 INFO L413 NwaCegarLoop]: 2474 mSDtfsCounter, 4106 mSDsluCounter, 4113 mSDsCounter, 0 mSdLazyCounter, 4077 mSolverCounterSat, 2178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4284 SdHoareTripleChecker+Valid, 6587 SdHoareTripleChecker+Invalid, 6255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2178 IncrementalHoareTripleChecker+Valid, 4077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:24:55,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4284 Valid, 6587 Invalid, 6255 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2178 Valid, 4077 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-07-23 00:24:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6791 states. [2022-07-23 00:24:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6791 to 6205. [2022-07-23 00:24:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6205 states, 4454 states have (on average 1.388414907947912) internal successors, (6184), 4669 states have internal predecessors, (6184), 1383 states have call successors, (1383), 350 states have call predecessors, (1383), 367 states have return successors, (1481), 1291 states have call predecessors, (1481), 1379 states have call successors, (1481) [2022-07-23 00:24:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 9048 transitions. [2022-07-23 00:24:56,032 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 9048 transitions. Word has length 115 [2022-07-23 00:24:56,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:24:56,033 INFO L495 AbstractCegarLoop]: Abstraction has 6205 states and 9048 transitions. [2022-07-23 00:24:56,033 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) [2022-07-23 00:24:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 9048 transitions. [2022-07-23 00:24:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 00:24:56,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:56,037 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] [2022-07-23 00:24:56,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:24:56,037 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:56,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:56,038 INFO L85 PathProgramCache]: Analyzing trace with hash -951600553, now seen corresponding path program 1 times [2022-07-23 00:24:56,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:56,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311388778] [2022-07-23 00:24:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:56,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:24:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:24:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:24:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:24:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:24:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:24:56,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:24:56,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311388778] [2022-07-23 00:24:56,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311388778] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:56,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:24:56,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:24:56,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117886535] [2022-07-23 00:24:56,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:56,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:24:56,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:24:56,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:24:56,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:24:56,416 INFO L87 Difference]: Start difference. First operand 6205 states and 9048 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) [2022-07-23 00:25:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:06,656 INFO L93 Difference]: Finished difference Result 6786 states and 10096 transitions. [2022-07-23 00:25:06,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:25:06,657 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 [2022-07-23 00:25:06,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:25:06,704 INFO L225 Difference]: With dead ends: 6786 [2022-07-23 00:25:06,705 INFO L226 Difference]: Without dead ends: 6783 [2022-07-23 00:25:06,711 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 [2022-07-23 00:25:06,714 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 3222 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 1307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3435 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 3675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1307 IncrementalHoareTripleChecker+Valid, 2368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:25:06,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3435 Valid, 4542 Invalid, 3675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1307 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-07-23 00:25:06,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6783 states. [2022-07-23 00:25:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 6204. [2022-07-23 00:25:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6204 states, 4454 states have (on average 1.3881903906600808) internal successors, (6183), 4668 states have internal predecessors, (6183), 1382 states have call successors, (1382), 350 states have call predecessors, (1382), 367 states have return successors, (1481), 1291 states have call predecessors, (1481), 1379 states have call successors, (1481) [2022-07-23 00:25:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6204 states to 6204 states and 9046 transitions. [2022-07-23 00:25:07,044 INFO L78 Accepts]: Start accepts. Automaton has 6204 states and 9046 transitions. Word has length 116 [2022-07-23 00:25:07,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:25:07,045 INFO L495 AbstractCegarLoop]: Abstraction has 6204 states and 9046 transitions. [2022-07-23 00:25:07,046 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) [2022-07-23 00:25:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 6204 states and 9046 transitions. [2022-07-23 00:25:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-23 00:25:07,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:25:07,049 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, 1] [2022-07-23 00:25:07,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:25:07,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:25:07,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:25:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash 564624041, now seen corresponding path program 1 times [2022-07-23 00:25:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:25:07,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687287355] [2022-07-23 00:25:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:25:07,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:25:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:25:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:25:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:25:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:25:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:25:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:25:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:25:07,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:25:07,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687287355] [2022-07-23 00:25:07,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687287355] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:25:07,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:25:07,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:25:07,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975352179] [2022-07-23 00:25:07,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:25:07,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:25:07,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:25:07,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:25:07,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:25:07,318 INFO L87 Difference]: Start difference. First operand 6204 states and 9046 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 00:25:12,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:12,443 INFO L93 Difference]: Finished difference Result 6785 states and 10094 transitions. [2022-07-23 00:25:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:25:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 117 [2022-07-23 00:25:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:25:12,491 INFO L225 Difference]: With dead ends: 6785 [2022-07-23 00:25:12,492 INFO L226 Difference]: Without dead ends: 6753 [2022-07-23 00:25:12,502 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 [2022-07-23 00:25:12,503 INFO L413 NwaCegarLoop]: 2170 mSDtfsCounter, 3858 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 1818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4071 SdHoareTripleChecker+Valid, 3068 SdHoareTripleChecker+Invalid, 2818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1818 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:25:12,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4071 Valid, 3068 Invalid, 2818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1818 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-23 00:25:12,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6753 states. [2022-07-23 00:25:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6753 to 6174. [2022-07-23 00:25:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6174 states, 4438 states have (on average 1.3886885984677784) internal successors, (6163), 4651 states have internal predecessors, (6163), 1369 states have call successors, (1369), 349 states have call predecessors, (1369), 366 states have return successors, (1469), 1279 states have call predecessors, (1469), 1367 states have call successors, (1469) [2022-07-23 00:25:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6174 states to 6174 states and 9001 transitions. [2022-07-23 00:25:12,801 INFO L78 Accepts]: Start accepts. Automaton has 6174 states and 9001 transitions. Word has length 117 [2022-07-23 00:25:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:25:12,803 INFO L495 AbstractCegarLoop]: Abstraction has 6174 states and 9001 transitions. [2022-07-23 00:25:12,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 00:25:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 6174 states and 9001 transitions. [2022-07-23 00:25:12,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-23 00:25:12,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:25:12,814 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, 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] [2022-07-23 00:25:12,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:25:12,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:25:12,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:25:12,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1181365168, now seen corresponding path program 1 times [2022-07-23 00:25:12,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:25:12,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482577350] [2022-07-23 00:25:12,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:25:12,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:25:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:25:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:12,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:25:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:25:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:25:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:25:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:25:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 00:25:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:25:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 00:25:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 00:25:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 00:25:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 00:25:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-23 00:25:13,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:25:13,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482577350] [2022-07-23 00:25:13,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482577350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:25:13,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:25:13,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:25:13,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063111839] [2022-07-23 00:25:13,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:25:13,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:25:13,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:25:13,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:25:13,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:25:13,141 INFO L87 Difference]: Start difference. First operand 6174 states and 9001 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 00:25:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:28,802 INFO L93 Difference]: Finished difference Result 21066 states and 31770 transitions. [2022-07-23 00:25:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:25:28,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 169 [2022-07-23 00:25:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:25:28,872 INFO L225 Difference]: With dead ends: 21066 [2022-07-23 00:25:28,872 INFO L226 Difference]: Without dead ends: 14915 [2022-07-23 00:25:28,909 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 [2022-07-23 00:25:28,910 INFO L413 NwaCegarLoop]: 2400 mSDtfsCounter, 7741 mSDsluCounter, 4795 mSDsCounter, 0 mSdLazyCounter, 6277 mSolverCounterSat, 5871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8060 SdHoareTripleChecker+Valid, 7195 SdHoareTripleChecker+Invalid, 12148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5871 IncrementalHoareTripleChecker+Valid, 6277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:25:28,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8060 Valid, 7195 Invalid, 12148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5871 Valid, 6277 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2022-07-23 00:25:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14915 states. [2022-07-23 00:25:29,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14915 to 13230. [2022-07-23 00:25:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13230 states, 9406 states have (on average 1.381990219009143) internal successors, (12999), 9917 states have internal predecessors, (12999), 2943 states have call successors, (2943), 677 states have call predecessors, (2943), 880 states have return successors, (3810), 2917 states have call predecessors, (3810), 2941 states have call successors, (3810) [2022-07-23 00:25:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13230 states to 13230 states and 19752 transitions. [2022-07-23 00:25:29,544 INFO L78 Accepts]: Start accepts. Automaton has 13230 states and 19752 transitions. Word has length 169 [2022-07-23 00:25:29,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:25:29,544 INFO L495 AbstractCegarLoop]: Abstraction has 13230 states and 19752 transitions. [2022-07-23 00:25:29,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 00:25:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 13230 states and 19752 transitions. [2022-07-23 00:25:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-23 00:25:29,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:25:29,568 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:25:29,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:25:29,568 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:25:29,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:25:29,569 INFO L85 PathProgramCache]: Analyzing trace with hash -84553889, now seen corresponding path program 1 times [2022-07-23 00:25:29,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:25:29,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060856937] [2022-07-23 00:25:29,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:25:29,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:25:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:25:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:25:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:25:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:25:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:25:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:25:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 00:25:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:25:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 00:25:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 00:25:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 00:25:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 00:25:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 00:25:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-07-23 00:25:29,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:25:29,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060856937] [2022-07-23 00:25:29,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060856937] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:25:29,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:25:29,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:25:29,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621414669] [2022-07-23 00:25:29,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:25:29,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:25:29,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:25:29,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:25:29,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:25:29,961 INFO L87 Difference]: Start difference. First operand 13230 states and 19752 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 00:25:39,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:39,828 INFO L93 Difference]: Finished difference Result 30611 states and 46856 transitions. [2022-07-23 00:25:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 00:25:39,828 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 208 [2022-07-23 00:25:39,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:25:39,914 INFO L225 Difference]: With dead ends: 30611 [2022-07-23 00:25:39,915 INFO L226 Difference]: Without dead ends: 17404 [2022-07-23 00:25:39,972 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 [2022-07-23 00:25:39,973 INFO L413 NwaCegarLoop]: 2487 mSDtfsCounter, 6676 mSDsluCounter, 4696 mSDsCounter, 0 mSdLazyCounter, 4085 mSolverCounterSat, 5063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6945 SdHoareTripleChecker+Valid, 7183 SdHoareTripleChecker+Invalid, 9148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5063 IncrementalHoareTripleChecker+Valid, 4085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:25:39,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6945 Valid, 7183 Invalid, 9148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5063 Valid, 4085 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-23 00:25:39,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17404 states. [2022-07-23 00:25:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17404 to 13244. [2022-07-23 00:25:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13244 states, 9420 states have (on average 1.3814225053078557) internal successors, (13013), 9931 states have internal predecessors, (13013), 2943 states have call successors, (2943), 677 states have call predecessors, (2943), 880 states have return successors, (3810), 2917 states have call predecessors, (3810), 2941 states have call successors, (3810) [2022-07-23 00:25:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13244 states to 13244 states and 19766 transitions. [2022-07-23 00:25:40,702 INFO L78 Accepts]: Start accepts. Automaton has 13244 states and 19766 transitions. Word has length 208 [2022-07-23 00:25:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:25:40,703 INFO L495 AbstractCegarLoop]: Abstraction has 13244 states and 19766 transitions. [2022-07-23 00:25:40,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 00:25:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 13244 states and 19766 transitions. [2022-07-23 00:25:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-23 00:25:40,724 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:25:40,725 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:25:40,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:25:40,725 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:25:40,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:25:40,726 INFO L85 PathProgramCache]: Analyzing trace with hash -956826414, now seen corresponding path program 1 times [2022-07-23 00:25:40,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:25:40,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180441130] [2022-07-23 00:25:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:25:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:25:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:25:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:25:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:25:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:25:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:40,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:25:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:25:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 00:25:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:25:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:25:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 00:25:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:25:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 00:25:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 00:25:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 00:25:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:25:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 00:25:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-07-23 00:25:41,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:25:41,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180441130] [2022-07-23 00:25:41,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180441130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:25:41,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:25:41,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:25:41,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041085497] [2022-07-23 00:25:41,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:25:41,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:25:41,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:25:41,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:25:41,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:25:41,136 INFO L87 Difference]: Start difference. First operand 13244 states and 19766 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 00:25:59,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:59,893 INFO L93 Difference]: Finished difference Result 42485 states and 64402 transitions. [2022-07-23 00:25:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:25:59,894 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 225 [2022-07-23 00:25:59,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:26:00,060 INFO L225 Difference]: With dead ends: 42485 [2022-07-23 00:26:00,060 INFO L226 Difference]: Without dead ends: 29264 [2022-07-23 00:26:00,116 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 [2022-07-23 00:26:00,116 INFO L413 NwaCegarLoop]: 3677 mSDtfsCounter, 5298 mSDsluCounter, 6274 mSDsCounter, 0 mSdLazyCounter, 7341 mSolverCounterSat, 4455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5652 SdHoareTripleChecker+Valid, 9951 SdHoareTripleChecker+Invalid, 11796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4455 IncrementalHoareTripleChecker+Valid, 7341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:26:00,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5652 Valid, 9951 Invalid, 11796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4455 Valid, 7341 Invalid, 0 Unknown, 0 Unchecked, 17.6s Time] [2022-07-23 00:26:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29264 states. [2022-07-23 00:26:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29264 to 26011. [2022-07-23 00:26:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26011 states, 18532 states have (on average 1.3824195985322685) internal successors, (25619), 19533 states have internal predecessors, (25619), 5743 states have call successors, (5743), 1328 states have call predecessors, (5743), 1735 states have return successors, (7471), 5693 states have call predecessors, (7471), 5741 states have call successors, (7471) [2022-07-23 00:26:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26011 states to 26011 states and 38833 transitions. [2022-07-23 00:26:01,597 INFO L78 Accepts]: Start accepts. Automaton has 26011 states and 38833 transitions. Word has length 225 [2022-07-23 00:26:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:26:01,598 INFO L495 AbstractCegarLoop]: Abstraction has 26011 states and 38833 transitions. [2022-07-23 00:26:01,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 00:26:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 26011 states and 38833 transitions. [2022-07-23 00:26:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-23 00:26:01,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:26:01,649 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:26:01,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 00:26:01,650 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:26:01,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:26:01,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1956762074, now seen corresponding path program 1 times [2022-07-23 00:26:01,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:26:01,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395430463] [2022-07-23 00:26:01,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:26:01,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:26:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:26:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:26:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:26:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:26:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:26:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:26:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 00:26:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 00:26:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 00:26:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 00:26:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:26:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 00:26:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 00:26:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 00:26:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 00:26:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 00:26:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:26:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:26:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 00:26:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-23 00:26:02,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:26:02,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395430463] [2022-07-23 00:26:02,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395430463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:26:02,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:26:02,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 00:26:02,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390679825] [2022-07-23 00:26:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:26:02,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:26:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:26:02,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:26:02,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:26:02,209 INFO L87 Difference]: Start difference. First operand 26011 states and 38833 transitions. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 00:26:22,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:26:22,238 INFO L93 Difference]: Finished difference Result 44427 states and 66859 transitions. [2022-07-23 00:26:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 00:26:22,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 251 [2022-07-23 00:26:22,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:26:22,341 INFO L225 Difference]: With dead ends: 44427 [2022-07-23 00:26:22,342 INFO L226 Difference]: Without dead ends: 18222 [2022-07-23 00:26:22,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-07-23 00:26:22,573 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 2024 mSDsluCounter, 7501 mSDsCounter, 0 mSdLazyCounter, 10019 mSolverCounterSat, 1629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 9607 SdHoareTripleChecker+Invalid, 11648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1629 IncrementalHoareTripleChecker+Valid, 10019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:26:22,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 9607 Invalid, 11648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1629 Valid, 10019 Invalid, 0 Unknown, 0 Unchecked, 18.9s Time] [2022-07-23 00:26:22,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18222 states. [2022-07-23 00:26:23,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18222 to 16129. [2022-07-23 00:26:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16129 states, 11481 states have (on average 1.3800191620938942) internal successors, (15844), 12103 states have internal predecessors, (15844), 3559 states have call successors, (3559), 834 states have call predecessors, (3559), 1088 states have return successors, (4632), 3525 states have call predecessors, (4632), 3557 states have call successors, (4632) [2022-07-23 00:26:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16129 states to 16129 states and 24035 transitions. [2022-07-23 00:26:23,558 INFO L78 Accepts]: Start accepts. Automaton has 16129 states and 24035 transitions. Word has length 251 [2022-07-23 00:26:23,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:26:23,559 INFO L495 AbstractCegarLoop]: Abstraction has 16129 states and 24035 transitions. [2022-07-23 00:26:23,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 00:26:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 16129 states and 24035 transitions. [2022-07-23 00:26:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-23 00:26:23,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:26:23,608 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, 1] [2022-07-23 00:26:23,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 00:26:23,609 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:26:23,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:26:23,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1002229883, now seen corresponding path program 1 times [2022-07-23 00:26:23,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:26:23,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21304662] [2022-07-23 00:26:23,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:26:23,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:26:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:26:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:26:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:26:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:26:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:26:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:26:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:23,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 00:26:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:26:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:26:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:26:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:26:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:26:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:26:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:26:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:26:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:26:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:26:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:26:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:26:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:26:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:26:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:26:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:26:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:26:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:26:24,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:26:24,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21304662] [2022-07-23 00:26:24,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21304662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:26:24,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:26:24,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:26:24,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485052163] [2022-07-23 00:26:24,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:26:24,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:26:24,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:26:24,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:26:24,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:26:24,198 INFO L87 Difference]: Start difference. First operand 16129 states and 24035 transitions. Second operand has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 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) [2022-07-23 00:26:34,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:26:34,565 INFO L93 Difference]: Finished difference Result 34384 states and 51842 transitions. [2022-07-23 00:26:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:26:34,566 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 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 291 [2022-07-23 00:26:34,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:26:34,642 INFO L225 Difference]: With dead ends: 34384 [2022-07-23 00:26:34,643 INFO L226 Difference]: Without dead ends: 18288 [2022-07-23 00:26:34,700 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 [2022-07-23 00:26:34,701 INFO L413 NwaCegarLoop]: 1979 mSDtfsCounter, 6378 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 4070 mSolverCounterSat, 4321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6655 SdHoareTripleChecker+Valid, 4945 SdHoareTripleChecker+Invalid, 8391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4321 IncrementalHoareTripleChecker+Valid, 4070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:26:34,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6655 Valid, 4945 Invalid, 8391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4321 Valid, 4070 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-23 00:26:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18288 states. [2022-07-23 00:26:35,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18288 to 16109. [2022-07-23 00:26:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16109 states, 11471 states have (on average 1.3794786853805248) internal successors, (15824), 12093 states have internal predecessors, (15824), 3549 states have call successors, (3549), 834 states have call predecessors, (3549), 1088 states have return successors, (4602), 3515 states have call predecessors, (4602), 3547 states have call successors, (4602) [2022-07-23 00:26:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16109 states to 16109 states and 23975 transitions. [2022-07-23 00:26:35,665 INFO L78 Accepts]: Start accepts. Automaton has 16109 states and 23975 transitions. Word has length 291 [2022-07-23 00:26:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:26:35,666 INFO L495 AbstractCegarLoop]: Abstraction has 16109 states and 23975 transitions. [2022-07-23 00:26:35,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 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) [2022-07-23 00:26:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 16109 states and 23975 transitions. [2022-07-23 00:26:35,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-23 00:26:35,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:26:35,706 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] [2022-07-23 00:26:35,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 00:26:35,707 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:26:35,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:26:35,707 INFO L85 PathProgramCache]: Analyzing trace with hash -857816255, now seen corresponding path program 1 times [2022-07-23 00:26:35,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:26:35,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620794854] [2022-07-23 00:26:35,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:26:35,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:26:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:26:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:26:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:26:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:26:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:26:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:26:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:26:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:26:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:26:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:26:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:26:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:26:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:26:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:26:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:26:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:26:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:26:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:26:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:26:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:26:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:26:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:26:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:26:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:26:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:26:36,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:26:36,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620794854] [2022-07-23 00:26:36,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620794854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:26:36,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:26:36,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:26:36,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609487319] [2022-07-23 00:26:36,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:26:36,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:26:36,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:26:36,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:26:36,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:26:36,334 INFO L87 Difference]: Start difference. First operand 16109 states and 23975 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) [2022-07-23 00:26:44,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:26:53,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:26:53,541 INFO L93 Difference]: Finished difference Result 34344 states and 51717 transitions. [2022-07-23 00:26:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:26:53,542 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 [2022-07-23 00:26:53,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:26:53,628 INFO L225 Difference]: With dead ends: 34344 [2022-07-23 00:26:53,628 INFO L226 Difference]: Without dead ends: 18268 [2022-07-23 00:26:53,679 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 [2022-07-23 00:26:53,679 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 5807 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 6178 mSolverCounterSat, 4095 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6078 SdHoareTripleChecker+Valid, 6225 SdHoareTripleChecker+Invalid, 10273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4095 IncrementalHoareTripleChecker+Valid, 6178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:26:53,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6078 Valid, 6225 Invalid, 10273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4095 Valid, 6178 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2022-07-23 00:26:53,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18268 states. [2022-07-23 00:26:54,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18268 to 16089. [2022-07-23 00:26:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16089 states, 11461 states have (on average 1.3789372655091179) internal successors, (15804), 12083 states have internal predecessors, (15804), 3539 states have call successors, (3539), 834 states have call predecessors, (3539), 1088 states have return successors, (4572), 3505 states have call predecessors, (4572), 3537 states have call successors, (4572) [2022-07-23 00:26:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16089 states to 16089 states and 23915 transitions. [2022-07-23 00:26:54,763 INFO L78 Accepts]: Start accepts. Automaton has 16089 states and 23915 transitions. Word has length 290 [2022-07-23 00:26:54,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:26:54,763 INFO L495 AbstractCegarLoop]: Abstraction has 16089 states and 23915 transitions. [2022-07-23 00:26:54,764 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) [2022-07-23 00:26:54,764 INFO L276 IsEmpty]: Start isEmpty. Operand 16089 states and 23915 transitions. [2022-07-23 00:26:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-23 00:26:54,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:26:54,804 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] [2022-07-23 00:26:54,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 00:26:54,804 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:26:54,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:26:54,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1825100178, now seen corresponding path program 1 times [2022-07-23 00:26:54,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:26:54,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111175600] [2022-07-23 00:26:54,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:26:54,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:26:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:26:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:26:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:26:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:26:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:26:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:26:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 00:26:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:26:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:26:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:26:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:26:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:26:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:26:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:26:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:26:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:26:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:26:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:26:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:26:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:26:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:26:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:26:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:26:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:26:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:26:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:26:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:26:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:26:55,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:26:55,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111175600] [2022-07-23 00:26:55,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111175600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:26:55,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:26:55,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:26:55,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291115642] [2022-07-23 00:26:55,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:26:55,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:26:55,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:26:55,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:26:55,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:26:55,428 INFO L87 Difference]: Start difference. First operand 16089 states and 23915 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) [2022-07-23 00:27:06,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:27:06,417 INFO L93 Difference]: Finished difference Result 34304 states and 51592 transitions. [2022-07-23 00:27:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:27:06,417 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 [2022-07-23 00:27:06,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:27:06,513 INFO L225 Difference]: With dead ends: 34304 [2022-07-23 00:27:06,514 INFO L226 Difference]: Without dead ends: 18248 [2022-07-23 00:27:06,560 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 [2022-07-23 00:27:06,561 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 4919 mSDsluCounter, 3009 mSDsCounter, 0 mSdLazyCounter, 4167 mSolverCounterSat, 3086 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5186 SdHoareTripleChecker+Valid, 4992 SdHoareTripleChecker+Invalid, 7253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3086 IncrementalHoareTripleChecker+Valid, 4167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:27:06,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5186 Valid, 4992 Invalid, 7253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3086 Valid, 4167 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-07-23 00:27:06,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18248 states. [2022-07-23 00:27:07,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18248 to 16069. [2022-07-23 00:27:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16069 states, 11451 states have (on average 1.3783949000087328) internal successors, (15784), 12073 states have internal predecessors, (15784), 3529 states have call successors, (3529), 834 states have call predecessors, (3529), 1088 states have return successors, (4542), 3495 states have call predecessors, (4542), 3527 states have call successors, (4542) [2022-07-23 00:27:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16069 states to 16069 states and 23855 transitions. [2022-07-23 00:27:07,463 INFO L78 Accepts]: Start accepts. Automaton has 16069 states and 23855 transitions. Word has length 288 [2022-07-23 00:27:07,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:27:07,464 INFO L495 AbstractCegarLoop]: Abstraction has 16069 states and 23855 transitions. [2022-07-23 00:27:07,464 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) [2022-07-23 00:27:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 16069 states and 23855 transitions. [2022-07-23 00:27:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-07-23 00:27:07,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:27:07,500 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] [2022-07-23 00:27:07,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 00:27:07,501 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:27:07,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:27:07,501 INFO L85 PathProgramCache]: Analyzing trace with hash 986429778, now seen corresponding path program 1 times [2022-07-23 00:27:07,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:27:07,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908212854] [2022-07-23 00:27:07,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:07,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:27:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:27:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:27:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:27:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:27:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:27:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:27:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 00:27:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:27:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:27:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:27:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:27:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:27:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:27:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:27:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:27:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:27:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:27:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:27:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:27:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:27:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:27:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:27:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:27:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:27:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:27:08,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:27:08,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908212854] [2022-07-23 00:27:08,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908212854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:27:08,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:27:08,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:27:08,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617201822] [2022-07-23 00:27:08,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:27:08,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:27:08,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:27:08,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:27:08,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:27:08,097 INFO L87 Difference]: Start difference. First operand 16069 states and 23855 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) [2022-07-23 00:27:20,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:27:20,761 INFO L93 Difference]: Finished difference Result 34264 states and 51467 transitions. [2022-07-23 00:27:20,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:27:20,765 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 [2022-07-23 00:27:20,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:27:20,859 INFO L225 Difference]: With dead ends: 34264 [2022-07-23 00:27:20,859 INFO L226 Difference]: Without dead ends: 18228 [2022-07-23 00:27:20,911 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 [2022-07-23 00:27:20,914 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 5884 mSDsluCounter, 3653 mSDsCounter, 0 mSdLazyCounter, 5530 mSolverCounterSat, 4117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6143 SdHoareTripleChecker+Valid, 5681 SdHoareTripleChecker+Invalid, 9647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4117 IncrementalHoareTripleChecker+Valid, 5530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:27:20,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6143 Valid, 5681 Invalid, 9647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4117 Valid, 5530 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-07-23 00:27:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18228 states. [2022-07-23 00:27:21,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18228 to 16049. [2022-07-23 00:27:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16049 states, 11441 states have (on average 1.3778515863997902) internal successors, (15764), 12063 states have internal predecessors, (15764), 3519 states have call successors, (3519), 834 states have call predecessors, (3519), 1088 states have return successors, (4512), 3485 states have call predecessors, (4512), 3517 states have call successors, (4512) [2022-07-23 00:27:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16049 states to 16049 states and 23795 transitions. [2022-07-23 00:27:21,809 INFO L78 Accepts]: Start accepts. Automaton has 16049 states and 23795 transitions. Word has length 289 [2022-07-23 00:27:21,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:27:21,809 INFO L495 AbstractCegarLoop]: Abstraction has 16049 states and 23795 transitions. [2022-07-23 00:27:21,810 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) [2022-07-23 00:27:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 16049 states and 23795 transitions. [2022-07-23 00:27:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-23 00:27:21,831 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:27:21,831 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, 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] [2022-07-23 00:27:21,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 00:27:21,831 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:27:21,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:27:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1611561580, now seen corresponding path program 1 times [2022-07-23 00:27:21,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:27:21,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552356539] [2022-07-23 00:27:21,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:27:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:27:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:27:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:27:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:27:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:27:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:27:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 00:27:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:27:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 00:27:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:27:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 00:27:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 00:27:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 00:27:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 00:27:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:27:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:27:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:27:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 00:27:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 00:27:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 00:27:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:27:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 00:27:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 00:27:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 00:27:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 00:27:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:27:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2022-07-23 00:27:22,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:27:22,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552356539] [2022-07-23 00:27:22,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552356539] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:27:22,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254276859] [2022-07-23 00:27:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:22,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:27:22,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:27:22,354 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) [2022-07-23 00:27:22,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 00:27:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:23,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:27:23,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:27:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2022-07-23 00:27:23,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:27:23,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254276859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:27:23,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:27:23,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-23 00:27:23,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925961085] [2022-07-23 00:27:23,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:27:23,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:27:23,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:27:23,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:27:23,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:27:23,431 INFO L87 Difference]: Start difference. First operand 16049 states and 23795 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 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) [2022-07-23 00:27:25,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:27:25,173 INFO L93 Difference]: Finished difference Result 29251 states and 43417 transitions. [2022-07-23 00:27:25,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:27:25,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 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 300 [2022-07-23 00:27:25,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:27:25,277 INFO L225 Difference]: With dead ends: 29251 [2022-07-23 00:27:25,277 INFO L226 Difference]: Without dead ends: 22672 [2022-07-23 00:27:25,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:27:25,311 INFO L413 NwaCegarLoop]: 4490 mSDtfsCounter, 2978 mSDsluCounter, 10470 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 14960 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:27:25,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 14960 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 00:27:25,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22672 states. [2022-07-23 00:27:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22672 to 16073. [2022-07-23 00:27:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16073 states, 11455 states have (on average 1.3773897861195985) internal successors, (15778), 12079 states have internal predecessors, (15778), 3529 states have call successors, (3529), 834 states have call predecessors, (3529), 1088 states have return successors, (4524), 3495 states have call predecessors, (4524), 3527 states have call successors, (4524) [2022-07-23 00:27:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16073 states to 16073 states and 23831 transitions. [2022-07-23 00:27:26,470 INFO L78 Accepts]: Start accepts. Automaton has 16073 states and 23831 transitions. Word has length 300 [2022-07-23 00:27:26,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:27:26,471 INFO L495 AbstractCegarLoop]: Abstraction has 16073 states and 23831 transitions. [2022-07-23 00:27:26,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 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) [2022-07-23 00:27:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 16073 states and 23831 transitions. [2022-07-23 00:27:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-23 00:27:26,488 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:27:26,488 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, 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] [2022-07-23 00:27:26,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-23 00:27:26,689 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 [2022-07-23 00:27:26,690 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:27:26,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:27:26,690 INFO L85 PathProgramCache]: Analyzing trace with hash -294841686, now seen corresponding path program 1 times [2022-07-23 00:27:26,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:27:26,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903128666] [2022-07-23 00:27:26,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:26,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:27:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:27:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:27:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:27:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:27:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:27:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:27:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 00:27:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:27:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 00:27:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:27:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 00:27:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 00:27:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 00:27:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 00:27:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:27:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:27:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:27:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 00:27:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 00:27:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 00:27:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:27:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 00:27:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 00:27:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 00:27:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 00:27:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:27:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-23 00:27:27,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:27:27,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903128666] [2022-07-23 00:27:27,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903128666] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:27:27,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054449802] [2022-07-23 00:27:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:27:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:27:27,228 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) [2022-07-23 00:27:27,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 00:27:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:28,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 00:27:28,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:27:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-07-23 00:27:28,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:27:28,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054449802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:27:28,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:27:28,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-07-23 00:27:28,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504959304] [2022-07-23 00:27:28,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:27:28,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:27:28,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:27:28,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:27:28,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-07-23 00:27:28,357 INFO L87 Difference]: Start difference. First operand 16073 states and 23831 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 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) [2022-07-23 00:27:29,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:27:29,644 INFO L93 Difference]: Finished difference Result 32157 states and 47710 transitions. [2022-07-23 00:27:29,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:27:29,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 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 300 [2022-07-23 00:27:29,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:27:29,720 INFO L225 Difference]: With dead ends: 32157 [2022-07-23 00:27:29,720 INFO L226 Difference]: Without dead ends: 16103 [2022-07-23 00:27:29,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-07-23 00:27:29,776 INFO L413 NwaCegarLoop]: 2353 mSDtfsCounter, 6 mSDsluCounter, 9395 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11748 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 [2022-07-23 00:27:29,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11748 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:27:29,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16103 states. [2022-07-23 00:27:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16103 to 16076. [2022-07-23 00:27:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16076 states, 11457 states have (on average 1.3774111896657066) internal successors, (15781), 12082 states have internal predecessors, (15781), 3529 states have call successors, (3529), 834 states have call predecessors, (3529), 1089 states have return successors, (4528), 3495 states have call predecessors, (4528), 3527 states have call successors, (4528) [2022-07-23 00:27:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16076 states to 16076 states and 23838 transitions. [2022-07-23 00:27:30,847 INFO L78 Accepts]: Start accepts. Automaton has 16076 states and 23838 transitions. Word has length 300 [2022-07-23 00:27:30,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:27:30,847 INFO L495 AbstractCegarLoop]: Abstraction has 16076 states and 23838 transitions. [2022-07-23 00:27:30,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 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) [2022-07-23 00:27:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 16076 states and 23838 transitions. [2022-07-23 00:27:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-23 00:27:30,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:27:30,864 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, 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] [2022-07-23 00:27:30,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:27:31,065 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 [2022-07-23 00:27:31,066 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:27:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:27:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1195677722, now seen corresponding path program 1 times [2022-07-23 00:27:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:27:31,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139136743] [2022-07-23 00:27:31,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:31,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:27:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:27:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:27:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:27:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:27:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:27:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 00:27:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-23 00:27:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 00:27:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:27:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 00:27:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:27:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 00:27:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:27:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 00:27:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 00:27:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 00:27:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 00:27:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 00:27:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 00:27:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 00:27:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:27:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 00:27:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:27:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 00:27:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:27:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:27:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 00:27:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-23 00:27:31,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:27:31,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139136743] [2022-07-23 00:27:31,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139136743] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:27:31,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779610445] [2022-07-23 00:27:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:31,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:27:31,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:27:31,660 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) [2022-07-23 00:27:31,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 00:27:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:32,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-23 00:27:32,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:27:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 124 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2022-07-23 00:27:32,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:27:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2022-07-23 00:27:33,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779610445] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:27:33,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:27:33,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 20 [2022-07-23 00:27:33,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144939143] [2022-07-23 00:27:33,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:27:33,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-23 00:27:33,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:27:33,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-23 00:27:33,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:27:33,093 INFO L87 Difference]: Start difference. First operand 16076 states and 23838 transitions. Second operand has 20 states, 18 states have (on average 11.444444444444445) internal successors, (206), 13 states have internal predecessors, (206), 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) [2022-07-23 00:27:53,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:27:53,016 INFO L93 Difference]: Finished difference Result 34260 states and 51459 transitions. [2022-07-23 00:27:53,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 00:27:53,019 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 11.444444444444445) internal successors, (206), 13 states have internal predecessors, (206), 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 302 [2022-07-23 00:27:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:27:53,086 INFO L225 Difference]: With dead ends: 34260 [2022-07-23 00:27:53,086 INFO L226 Difference]: Without dead ends: 18203 [2022-07-23 00:27:53,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 673 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=180, Invalid=876, Unknown=0, NotChecked=0, Total=1056 [2022-07-23 00:27:53,126 INFO L413 NwaCegarLoop]: 2143 mSDtfsCounter, 3292 mSDsluCounter, 10694 mSDsCounter, 0 mSdLazyCounter, 13071 mSolverCounterSat, 2806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 12837 SdHoareTripleChecker+Invalid, 15877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2806 IncrementalHoareTripleChecker+Valid, 13071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:27:53,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 12837 Invalid, 15877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2806 Valid, 13071 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-07-23 00:27:53,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18203 states. [2022-07-23 00:27:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18203 to 16089. [2022-07-23 00:27:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16089 states, 11468 states have (on average 1.377136379490757) internal successors, (15793), 12091 states have internal predecessors, (15793), 3529 states have call successors, (3529), 834 states have call predecessors, (3529), 1091 states have return successors, (4537), 3499 states have call predecessors, (4537), 3527 states have call successors, (4537) [2022-07-23 00:27:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16089 states to 16089 states and 23859 transitions. [2022-07-23 00:27:54,057 INFO L78 Accepts]: Start accepts. Automaton has 16089 states and 23859 transitions. Word has length 302 [2022-07-23 00:27:54,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:27:54,058 INFO L495 AbstractCegarLoop]: Abstraction has 16089 states and 23859 transitions. [2022-07-23 00:27:54,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 11.444444444444445) internal successors, (206), 13 states have internal predecessors, (206), 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) [2022-07-23 00:27:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 16089 states and 23859 transitions. [2022-07-23 00:27:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-23 00:27:54,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:27:54,079 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, 3, 3, 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] [2022-07-23 00:27:54,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:27:54,279 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 [2022-07-23 00:27:54,280 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:27:54,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:27:54,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1591977654, now seen corresponding path program 1 times [2022-07-23 00:27:54,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:27:54,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471680002] [2022-07-23 00:27:54,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:27:54,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:27:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:27:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:27:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:27:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat