./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.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 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:07:47,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:07:47,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:07:47,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:07:47,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:07:47,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:07:47,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:07:47,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:07:47,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:07:47,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:07:47,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:07:47,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:07:47,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:07:47,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:07:47,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:07:47,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:07:47,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:07:47,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:07:47,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:07:47,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:07:47,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:07:47,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:07:47,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:07:47,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:07:47,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:07:47,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:07:47,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:07:47,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:07:47,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:07:47,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:07:47,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:07:47,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:07:47,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:07:47,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:07:47,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:07:47,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:07:47,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:07:47,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:07:47,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:07:47,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:07:47,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:07:47,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:07:47,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:07:47,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:07:47,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:07:47,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:07:47,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:07:47,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:07:47,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:07:47,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:07:47,424 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:07:47,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:07:47,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:07:47,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:07:47,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:07:47,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:07:47,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:07:47,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:07:47,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:07:47,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:07:47,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:07:47,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:07:47,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:07:47,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:07:47,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:07:47,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:07:47,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:07:47,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:07:47,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:07:47,428 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:07:47,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:07:47,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:07:47,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:07:47,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a [2021-12-18 09:07:47,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:07:47,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:07:47,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:07:47,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:07:47,724 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:07:47,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2021-12-18 09:07:47,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22102fe21/5dc68f253cac42caa442b6e8c700cb84/FLAG8b2642de6 [2021-12-18 09:07:48,632 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:07:48,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2021-12-18 09:07:48,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22102fe21/5dc68f253cac42caa442b6e8c700cb84/FLAG8b2642de6 [2021-12-18 09:07:49,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22102fe21/5dc68f253cac42caa442b6e8c700cb84 [2021-12-18 09:07:49,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:07:49,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:07:49,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:07:49,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:07:49,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:07:49,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:07:49" (1/1) ... [2021-12-18 09:07:49,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506657ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:49, skipping insertion in model container [2021-12-18 09:07:49,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:07:49" (1/1) ... [2021-12-18 09:07:49,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:07:49,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:07:52,376 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2021-12-18 09:07:52,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:07:52,550 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:07:53,260 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2021-12-18 09:07:53,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:07:53,371 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:07:53,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53 WrapperNode [2021-12-18 09:07:53,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:07:53,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:07:53,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:07:53,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:07:53,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:53,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:53,757 INFO L137 Inliner]: procedures = 329, calls = 4496, calls flagged for inlining = 148, calls inlined = 145, statements flattened = 9053 [2021-12-18 09:07:53,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:07:53,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:07:53,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:07:53,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:07:53,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:53,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:53,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:53,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:54,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:54,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:54,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:54,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:07:54,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:07:54,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:07:54,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:07:54,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (1/1) ... [2021-12-18 09:07:54,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:07:54,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:07:54,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 09:07:54,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 09:07:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ips_detect [2021-12-18 09:07:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_detect [2021-12-18 09:07:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ips_done [2021-12-18 09:07:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_done [2021-12-18 09:07:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp [2021-12-18 09:07:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp [2021-12-18 09:07:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_abort [2021-12-18 09:07:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_abort [2021-12-18 09:07:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-18 09:07:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-18 09:07:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:07:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:07:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 09:07:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 09:07:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:07:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:07:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_cmd [2021-12-18 09:07:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_cmd [2021-12-18 09:07:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-18 09:07:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-18 09:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:07:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure ips_allocatescbs [2021-12-18 09:07:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_allocatescbs [2021-12-18 09:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure do_ipsintr [2021-12-18 09:07:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure do_ipsintr [2021-12-18 09:07:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_copperhead [2021-12-18 09:07:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_copperhead [2021-12-18 09:07:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 09:07:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 09:07:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure le32_add_cpu [2021-12-18 09:07:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure le32_add_cpu [2021-12-18 09:07:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 09:07:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 09:07:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure ips_freescb [2021-12-18 09:07:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_freescb [2021-12-18 09:07:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 09:07:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 09:07:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free_flash_copperhead [2021-12-18 09:07:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free_flash_copperhead [2021-12-18 09:07:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:07:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:07:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isintr_morpheus [2021-12-18 09:07:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isintr_morpheus [2021-12-18 09:07:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_scb_head [2021-12-18 09:07:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_scb_head [2021-12-18 09:07:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ips_slave_configure [2021-12-18 09:07:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_slave_configure [2021-12-18 09:07:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 09:07:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 09:07:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-18 09:07:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-18 09:07:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_5 [2021-12-18 09:07:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_5 [2021-12-18 09:07:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-18 09:07:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-18 09:07:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ips_putq_scb_head [2021-12-18 09:07:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_putq_scb_head [2021-12-18 09:07:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 09:07:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 09:07:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ips_hainit [2021-12-18 09:07:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_hainit [2021-12-18 09:07:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 09:07:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 09:07:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:07:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:07:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-18 09:07:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-18 09:07:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 09:07:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 09:07:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ips_wait [2021-12-18 09:07:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_wait [2021-12-18 09:07:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-18 09:07:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-18 09:07:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ips_register_scsi [2021-12-18 09:07:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_register_scsi [2021-12-18 09:07:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2021-12-18 09:07:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2021-12-18 09:07:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ips_readwrite_page5 [2021-12-18 09:07:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_readwrite_page5 [2021-12-18 09:07:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 09:07:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 09:07:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flush_and_reset [2021-12-18 09:07:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flush_and_reset [2021-12-18 09:07:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_wait [2021-12-18 09:07:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_wait [2021-12-18 09:07:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait [2021-12-18 09:07:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait [2021-12-18 09:07:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_morpheus [2021-12-18 09:07:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_morpheus [2021-12-18 09:07:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2021-12-18 09:07:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2021-12-18 09:07:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:07:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure touch_nmi_watchdog [2021-12-18 09:07:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_nmi_watchdog [2021-12-18 09:07:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure ips_online [2021-12-18 09:07:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_online [2021-12-18 09:07:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-18 09:07:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-18 09:07:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue_lck [2021-12-18 09:07:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue_lck [2021-12-18 09:07:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:07:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 09:07:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 09:07:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-18 09:07:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-18 09:07:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:07:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:07:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure ips_release [2021-12-18 09:07:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_release [2021-12-18 09:07:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-18 09:07:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-12-18 09:07:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-12-18 09:07:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 09:07:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 09:07:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 09:07:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 09:07:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 09:07:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 09:07:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isinit_morpheus [2021-12-18 09:07:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isinit_morpheus [2021-12-18 09:07:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure ips_next [2021-12-18 09:07:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_next [2021-12-18 09:07:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 09:07:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 09:07:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-18 09:07:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-18 09:07:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:07:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ips_clear_adapter [2021-12-18 09:07:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_clear_adapter [2021-12-18 09:07:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ips_shift_controllers [2021-12-18 09:07:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_shift_controllers [2021-12-18 09:07:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_bios [2021-12-18 09:07:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_bios [2021-12-18 09:07:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 09:07:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 09:07:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_subsystem_parameters [2021-12-18 09:07:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_subsystem_parameters [2021-12-18 09:07:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure ips_write_driver_status [2021-12-18 09:07:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_write_driver_status [2021-12-18 09:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 09:07:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 09:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp_head [2021-12-18 09:07:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp_head [2021-12-18 09:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free [2021-12-18 09:07:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free [2021-12-18 09:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-18 09:07:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-18 09:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase2 [2021-12-18 09:07:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase2 [2021-12-18 09:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_adapter_status [2021-12-18 09:07:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_adapter_status [2021-12-18 09:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase1 [2021-12-18 09:07:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase1 [2021-12-18 09:07:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:07:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:07:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_read [2021-12-18 09:07:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_read [2021-12-18 09:07:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure ips_abort_init [2021-12-18 09:07:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_abort_init [2021-12-18 09:07:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure ipsintr_done [2021-12-18 09:07:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ipsintr_done [2021-12-18 09:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure ips_deallocatescbs [2021-12-18 09:07:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_deallocatescbs [2021-12-18 09:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 09:07:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 09:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 09:07:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 09:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_scb [2021-12-18 09:07:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_scb [2021-12-18 09:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure ips_insert_device [2021-12-18 09:07:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_insert_device [2021-12-18 09:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_config [2021-12-18 09:07:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_config [2021-12-18 09:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_reset [2021-12-18 09:07:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_reset [2021-12-18 09:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 09:07:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 09:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ips_usrcmd [2021-12-18 09:07:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_usrcmd [2021-12-18 09:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 09:07:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 09:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ips_make_passthru [2021-12-18 09:07:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_make_passthru [2021-12-18 09:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-18 09:07:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-18 09:07:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead_memio [2021-12-18 09:07:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead_memio [2021-12-18 09:07:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-18 09:07:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-18 09:07:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait_head [2021-12-18 09:07:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait_head [2021-12-18 09:07:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_reset [2021-12-18 09:07:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_reset [2021-12-18 09:07:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure ips_getscb [2021-12-18 09:07:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_getscb [2021-12-18 09:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure ips_info [2021-12-18 09:07:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_info [2021-12-18 09:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:07:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-18 09:07:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-18 09:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-12-18 09:07:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-12-18 09:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure __ips_eh_reset [2021-12-18 09:07:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __ips_eh_reset [2021-12-18 09:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 09:07:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 09:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-18 09:07:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-18 09:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_write [2021-12-18 09:07:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_write [2021-12-18 09:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 09:07:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 09:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fix_ffdc_time [2021-12-18 09:07:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fix_ffdc_time [2021-12-18 09:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-12-18 09:07:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-12-18 09:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reqsen [2021-12-18 09:07:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reqsen [2021-12-18 09:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 09:07:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 09:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 09:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-18 09:07:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-18 09:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:07:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-18 09:07:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-18 09:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-18 09:07:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-18 09:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:07:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fill_scb_sg_single [2021-12-18 09:07:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fill_scb_sg_single [2021-12-18 09:07:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure ips_remove_device [2021-12-18 09:07:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_remove_device [2021-12-18 09:07:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure ips_show_info [2021-12-18 09:07:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_show_info [2021-12-18 09:07:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure ips_chkstatus [2021-12-18 09:07:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_chkstatus [2021-12-18 09:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure ips_is_passthru [2021-12-18 09:07:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_is_passthru [2021-12-18 09:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue [2021-12-18 09:07:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue [2021-12-18 09:07:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_morpheus [2021-12-18 09:07:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_morpheus [2021-12-18 09:07:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_time [2021-12-18 09:07:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_time [2021-12-18 09:07:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure ips_biosparam [2021-12-18 09:07:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_biosparam [2021-12-18 09:07:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2021-12-18 09:07:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2021-12-18 09:07:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ips_get_bios_version [2021-12-18 09:07:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_get_bios_version [2021-12-18 09:07:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead [2021-12-18 09:07:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead [2021-12-18 09:07:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 09:07:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 09:07:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 09:07:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 09:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 09:07:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 09:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 09:07:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 09:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-12-18 09:07:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-12-18 09:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 09:07:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 09:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_copperhead [2021-12-18 09:07:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_copperhead [2021-12-18 09:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-18 09:07:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-18 09:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 09:07:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 09:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 09:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-18 09:07:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-18 09:07:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:07:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:07:55,490 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:07:55,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:07:58,002 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:11:45,192 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:11:45,221 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:11:45,222 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 09:11:45,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:11:45 BoogieIcfgContainer [2021-12-18 09:11:45,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:11:45,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:11:45,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:11:45,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:11:45,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:07:49" (1/3) ... [2021-12-18 09:11:45,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f05c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:11:45, skipping insertion in model container [2021-12-18 09:11:45,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:07:53" (2/3) ... [2021-12-18 09:11:45,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f05c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:11:45, skipping insertion in model container [2021-12-18 09:11:45,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:11:45" (3/3) ... [2021-12-18 09:11:45,235 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2021-12-18 09:11:45,240 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:11:45,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:11:45,300 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:11:45,318 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 09:11:45,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:11:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 3349 states, 2482 states have (on average 1.4081385979049155) internal successors, (3495), 2601 states have internal predecessors, (3495), 738 states have call successors, (738), 134 states have call predecessors, (738), 133 states have return successors, (729), 717 states have call predecessors, (729), 729 states have call successors, (729) [2021-12-18 09:11:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-18 09:11:45,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:11:45,413 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:11:45,413 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:11:45,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:11:45,417 INFO L85 PathProgramCache]: Analyzing trace with hash -103311197, now seen corresponding path program 1 times [2021-12-18 09:11:45,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:11:45,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338897497] [2021-12-18 09:11:45,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:11:45,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:11:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:11:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:11:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:11:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:11:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:11:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:11:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:11:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:11:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:11:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 09:11:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:47,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 09:11:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:47,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:11:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:11:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:11:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-12-18 09:11:47,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:11:47,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338897497] [2021-12-18 09:11:47,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338897497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:11:47,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:11:47,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:11:47,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074420559] [2021-12-18 09:11:47,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:11:47,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:11:47,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:11:47,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:11:47,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:11:47,173 INFO L87 Difference]: Start difference. First operand has 3349 states, 2482 states have (on average 1.4081385979049155) internal successors, (3495), 2601 states have internal predecessors, (3495), 738 states have call successors, (738), 134 states have call predecessors, (738), 133 states have return successors, (729), 717 states have call predecessors, (729), 729 states have call successors, (729) Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-18 09:11:49,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:11:51,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:11:54,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:12:10,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:12:12,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:12:24,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:12:32,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:12:36,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:12:38,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:12:39,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:04,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:06,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:07,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:19,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:13:19,936 INFO L93 Difference]: Finished difference Result 11369 states and 17607 transitions. [2021-12-18 09:13:19,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:13:19,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 186 [2021-12-18 09:13:19,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:13:20,053 INFO L225 Difference]: With dead ends: 11369 [2021-12-18 09:13:20,053 INFO L226 Difference]: Without dead ends: 7964 [2021-12-18 09:13:20,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:13:20,117 INFO L933 BasicCegarLoop]: 5529 mSDtfsCounter, 10237 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 7102 mSolverCounterSat, 5340 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10661 SdHoareTripleChecker+Valid, 14237 SdHoareTripleChecker+Invalid, 12447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5340 IncrementalHoareTripleChecker+Valid, 7102 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:13:20,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10661 Valid, 14237 Invalid, 12447 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5340 Valid, 7102 Invalid, 5 Unknown, 0 Unchecked, 91.2s Time] [2021-12-18 09:13:20,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-12-18 09:13:20,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 6467. [2021-12-18 09:13:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6467 states, 4774 states have (on average 1.402387934645999) internal successors, (6695), 4982 states have internal predecessors, (6695), 1428 states have call successors, (1428), 261 states have call predecessors, (1428), 264 states have return successors, (1459), 1403 states have call predecessors, (1459), 1427 states have call successors, (1459) [2021-12-18 09:13:20,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6467 states to 6467 states and 9582 transitions. [2021-12-18 09:13:20,736 INFO L78 Accepts]: Start accepts. Automaton has 6467 states and 9582 transitions. Word has length 186 [2021-12-18 09:13:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:13:20,740 INFO L470 AbstractCegarLoop]: Abstraction has 6467 states and 9582 transitions. [2021-12-18 09:13:20,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-18 09:13:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6467 states and 9582 transitions. [2021-12-18 09:13:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-18 09:13:20,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:13:20,760 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:13:20,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:13:20,761 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:13:20,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:13:20,762 INFO L85 PathProgramCache]: Analyzing trace with hash 117376024, now seen corresponding path program 1 times [2021-12-18 09:13:20,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:13:20,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357104740] [2021-12-18 09:13:20,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:13:20,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:13:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:13:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:13:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:13:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:13:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:13:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:13:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:13:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:13:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:13:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 09:13:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 09:13:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:13:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:13:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 09:13:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:13:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-12-18 09:13:22,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:13:22,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357104740] [2021-12-18 09:13:22,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357104740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:13:22,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:13:22,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:13:22,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441537644] [2021-12-18 09:13:22,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:13:22,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:13:22,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:13:22,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:13:22,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:13:22,107 INFO L87 Difference]: Start difference. First operand 6467 states and 9582 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 09:13:24,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:26,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:28,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:35,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:41,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:45,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:13:53,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:00,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:03,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:17,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:25,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:14:25,228 INFO L93 Difference]: Finished difference Result 22063 states and 33376 transitions. [2021-12-18 09:14:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:14:25,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 218 [2021-12-18 09:14:25,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:14:25,374 INFO L225 Difference]: With dead ends: 22063 [2021-12-18 09:14:25,374 INFO L226 Difference]: Without dead ends: 15626 [2021-12-18 09:14:25,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:14:25,425 INFO L933 BasicCegarLoop]: 4933 mSDtfsCounter, 13832 mSDsluCounter, 6188 mSDsCounter, 0 mSdLazyCounter, 4880 mSolverCounterSat, 7812 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14478 SdHoareTripleChecker+Valid, 11121 SdHoareTripleChecker+Invalid, 12697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7812 IncrementalHoareTripleChecker+Valid, 4880 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:14:25,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14478 Valid, 11121 Invalid, 12697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7812 Valid, 4880 Invalid, 5 Unknown, 0 Unchecked, 61.9s Time] [2021-12-18 09:14:25,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15626 states. [2021-12-18 09:14:25,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15626 to 12649. [2021-12-18 09:14:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12649 states, 9329 states have (on average 1.4015435738021225) internal successors, (13075), 9747 states have internal predecessors, (13075), 2793 states have call successors, (2793), 517 states have call predecessors, (2793), 526 states have return successors, (2860), 2744 states have call predecessors, (2860), 2792 states have call successors, (2860) [2021-12-18 09:14:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12649 states to 12649 states and 18728 transitions. [2021-12-18 09:14:26,087 INFO L78 Accepts]: Start accepts. Automaton has 12649 states and 18728 transitions. Word has length 218 [2021-12-18 09:14:26,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:14:26,088 INFO L470 AbstractCegarLoop]: Abstraction has 12649 states and 18728 transitions. [2021-12-18 09:14:26,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 09:14:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 12649 states and 18728 transitions. [2021-12-18 09:14:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-18 09:14:26,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:14:26,102 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 09:14:26,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:14:26,102 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:14:26,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:14:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash -144134583, now seen corresponding path program 1 times [2021-12-18 09:14:26,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:14:26,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640088843] [2021-12-18 09:14:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:14:26,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:14:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:14:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:14:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:14:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:14:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:14:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:14:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:14:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:14:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 09:14:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 09:14:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:14:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 09:14:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:14:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:14:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:14:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2021-12-18 09:14:27,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:14:27,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640088843] [2021-12-18 09:14:27,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640088843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:14:27,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:14:27,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:14:27,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731251093] [2021-12-18 09:14:27,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:14:27,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:14:27,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:14:27,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:14:27,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:14:27,377 INFO L87 Difference]: Start difference. First operand 12649 states and 18728 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-18 09:14:29,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:31,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:34,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:37,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:52,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:14:57,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:08,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:17,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:20,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:22,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:47,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:48,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:51,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:15:54,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:16:03,967 INFO L93 Difference]: Finished difference Result 28247 states and 42525 transitions. [2021-12-18 09:16:03,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:16:03,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 217 [2021-12-18 09:16:03,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:16:04,104 INFO L225 Difference]: With dead ends: 28247 [2021-12-18 09:16:04,104 INFO L226 Difference]: Without dead ends: 15604 [2021-12-18 09:16:04,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:16:04,198 INFO L933 BasicCegarLoop]: 4309 mSDtfsCounter, 3019 mSDsluCounter, 12860 mSDsCounter, 0 mSdLazyCounter, 7639 mSolverCounterSat, 2321 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 17169 SdHoareTripleChecker+Invalid, 9968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2321 IncrementalHoareTripleChecker+Valid, 7639 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:16:04,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3101 Valid, 17169 Invalid, 9968 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2321 Valid, 7639 Invalid, 8 Unknown, 0 Unchecked, 95.4s Time] [2021-12-18 09:16:04,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15604 states. [2021-12-18 09:16:04,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15604 to 12631. [2021-12-18 09:16:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12631 states, 9315 states have (on average 1.40150295222759) internal successors, (13055), 9733 states have internal predecessors, (13055), 2791 states have call successors, (2791), 515 states have call predecessors, (2791), 524 states have return successors, (2858), 2742 states have call predecessors, (2858), 2790 states have call successors, (2858) [2021-12-18 09:16:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12631 states to 12631 states and 18704 transitions. [2021-12-18 09:16:04,839 INFO L78 Accepts]: Start accepts. Automaton has 12631 states and 18704 transitions. Word has length 217 [2021-12-18 09:16:04,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:16:04,841 INFO L470 AbstractCegarLoop]: Abstraction has 12631 states and 18704 transitions. [2021-12-18 09:16:04,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-18 09:16:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12631 states and 18704 transitions. [2021-12-18 09:16:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-18 09:16:04,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:16:04,853 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:16:04,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:16:04,853 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:16:04,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:16:04,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1053058954, now seen corresponding path program 1 times [2021-12-18 09:16:04,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:16:04,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495416559] [2021-12-18 09:16:04,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:16:04,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:16:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:16:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:16:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:16:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:16:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:16:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:16:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:16:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:16:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:16:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 09:16:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 09:16:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:16:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:16:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 09:16:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:16:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-12-18 09:16:06,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:16:06,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495416559] [2021-12-18 09:16:06,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495416559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:16:06,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:16:06,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:16:06,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671969237] [2021-12-18 09:16:06,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:16:06,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:16:06,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:16:06,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:16:06,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:16:06,092 INFO L87 Difference]: Start difference. First operand 12631 states and 18704 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 09:16:08,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:11,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:28,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:36,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:44,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:47,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:49,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:16:57,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:16,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:20,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:17:20,474 INFO L93 Difference]: Finished difference Result 43241 states and 66682 transitions. [2021-12-18 09:17:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:17:20,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 223 [2021-12-18 09:17:20,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:17:20,770 INFO L225 Difference]: With dead ends: 43241 [2021-12-18 09:17:20,770 INFO L226 Difference]: Without dead ends: 30640 [2021-12-18 09:17:20,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:17:20,873 INFO L933 BasicCegarLoop]: 5528 mSDtfsCounter, 13520 mSDsluCounter, 7066 mSDsCounter, 0 mSdLazyCounter, 5773 mSolverCounterSat, 7445 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14119 SdHoareTripleChecker+Valid, 12594 SdHoareTripleChecker+Invalid, 13225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7445 IncrementalHoareTripleChecker+Valid, 5773 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:17:20,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14119 Valid, 12594 Invalid, 13225 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7445 Valid, 5773 Invalid, 7 Unknown, 0 Unchecked, 72.7s Time] [2021-12-18 09:17:20,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30640 states. [2021-12-18 09:17:22,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30640 to 27253. [2021-12-18 09:17:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27253 states, 20167 states have (on average 1.3949025635939902) internal successors, (28131), 21087 states have internal predecessors, (28131), 5817 states have call successors, (5817), 1009 states have call predecessors, (5817), 1268 states have return successors, (7738), 5916 states have call predecessors, (7738), 5816 states have call successors, (7738) [2021-12-18 09:17:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27253 states to 27253 states and 41686 transitions. [2021-12-18 09:17:22,494 INFO L78 Accepts]: Start accepts. Automaton has 27253 states and 41686 transitions. Word has length 223 [2021-12-18 09:17:22,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:17:22,495 INFO L470 AbstractCegarLoop]: Abstraction has 27253 states and 41686 transitions. [2021-12-18 09:17:22,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 09:17:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 27253 states and 41686 transitions. [2021-12-18 09:17:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-18 09:17:22,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:17:22,511 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 09:17:22,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 09:17:22,511 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:17:22,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:17:22,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1559076426, now seen corresponding path program 1 times [2021-12-18 09:17:22,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:17:22,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534928553] [2021-12-18 09:17:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:17:22,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:17:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:17:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:17:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:17:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:17:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:17:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:17:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:17:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:17:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 09:17:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 09:17:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:17:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 09:17:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:17:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:17:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 09:17:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:17:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-12-18 09:17:24,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:17:24,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534928553] [2021-12-18 09:17:24,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534928553] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:17:24,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:17:24,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:17:24,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314818318] [2021-12-18 09:17:24,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:17:24,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:17:24,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:17:24,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:17:24,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:17:24,131 INFO L87 Difference]: Start difference. First operand 27253 states and 41686 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-18 09:17:26,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:28,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:30,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:34,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:48,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:51,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:17:58,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:01,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:05,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:14,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:23,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:26,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:47,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:52,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:54,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:18:55,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:19:06,941 INFO L93 Difference]: Finished difference Result 58953 states and 93867 transitions. [2021-12-18 09:19:06,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:19:06,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 230 [2021-12-18 09:19:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:19:07,207 INFO L225 Difference]: With dead ends: 58953 [2021-12-18 09:19:07,208 INFO L226 Difference]: Without dead ends: 31740 [2021-12-18 09:19:07,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:19:07,379 INFO L933 BasicCegarLoop]: 4312 mSDtfsCounter, 4353 mSDsluCounter, 9102 mSDsCounter, 0 mSdLazyCounter, 6477 mSolverCounterSat, 3313 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4671 SdHoareTripleChecker+Valid, 13414 SdHoareTripleChecker+Invalid, 9802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3313 IncrementalHoareTripleChecker+Valid, 6477 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:19:07,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4671 Valid, 13414 Invalid, 9802 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3313 Valid, 6477 Invalid, 12 Unknown, 0 Unchecked, 100.3s Time] [2021-12-18 09:19:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31740 states. [2021-12-18 09:19:09,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31740 to 27621. [2021-12-18 09:19:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27621 states, 20431 states have (on average 1.3931280896676619) internal successors, (28463), 21363 states have internal predecessors, (28463), 5885 states have call successors, (5885), 1009 states have call predecessors, (5885), 1304 states have return successors, (7954), 6024 states have call predecessors, (7954), 5884 states have call successors, (7954) [2021-12-18 09:19:09,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27621 states to 27621 states and 42302 transitions. [2021-12-18 09:19:09,530 INFO L78 Accepts]: Start accepts. Automaton has 27621 states and 42302 transitions. Word has length 230 [2021-12-18 09:19:09,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:19:09,531 INFO L470 AbstractCegarLoop]: Abstraction has 27621 states and 42302 transitions. [2021-12-18 09:19:09,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-18 09:19:09,531 INFO L276 IsEmpty]: Start isEmpty. Operand 27621 states and 42302 transitions. [2021-12-18 09:19:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-18 09:19:09,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:19:09,546 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:19:09,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:19:09,547 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:19:09,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:19:09,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1535354484, now seen corresponding path program 1 times [2021-12-18 09:19:09,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:19:09,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117169573] [2021-12-18 09:19:09,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:19:09,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:19:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:19:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:19:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:19:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:19:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:19:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:19:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:19:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:19:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 09:19:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 09:19:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:19:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 09:19:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:19:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:19:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 09:19:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:19:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-12-18 09:19:11,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:19:11,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117169573] [2021-12-18 09:19:11,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117169573] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:19:11,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:19:11,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:19:11,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975783923] [2021-12-18 09:19:11,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:19:11,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:19:11,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:19:11,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:19:11,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:19:11,278 INFO L87 Difference]: Start difference. First operand 27621 states and 42302 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 09:19:13,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:17,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:18,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:20,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:22,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:27,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:53,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:55,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:19:59,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:20:02,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:20:05,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:20:07,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:20:57,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:20:58,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:21:01,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:21:02,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:21:21,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:21:21,810 INFO L93 Difference]: Finished difference Result 61458 states and 101043 transitions. [2021-12-18 09:21:21,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:21:21,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 234 [2021-12-18 09:21:21,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:21:22,436 INFO L225 Difference]: With dead ends: 61458 [2021-12-18 09:21:22,436 INFO L226 Difference]: Without dead ends: 61455 [2021-12-18 09:21:22,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:21:22,477 INFO L933 BasicCegarLoop]: 5120 mSDtfsCounter, 10377 mSDsluCounter, 10313 mSDsCounter, 0 mSdLazyCounter, 9510 mSolverCounterSat, 5445 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10966 SdHoareTripleChecker+Valid, 15433 SdHoareTripleChecker+Invalid, 14961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5445 IncrementalHoareTripleChecker+Valid, 9510 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 126.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:21:22,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10966 Valid, 15433 Invalid, 14961 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5445 Valid, 9510 Invalid, 6 Unknown, 0 Unchecked, 126.3s Time] [2021-12-18 09:21:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61455 states. [2021-12-18 09:21:25,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61455 to 54263. [2021-12-18 09:21:25,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54263 states, 40147 states have (on average 1.3958452686377563) internal successors, (56039), 42083 states have internal predecessors, (56039), 11547 states have call successors, (11547), 1941 states have call predecessors, (11547), 2568 states have return successors, (18482), 11822 states have call predecessors, (18482), 11546 states have call successors, (18482) [2021-12-18 09:21:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54263 states to 54263 states and 86068 transitions. [2021-12-18 09:21:25,973 INFO L78 Accepts]: Start accepts. Automaton has 54263 states and 86068 transitions. Word has length 234 [2021-12-18 09:21:25,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:21:25,974 INFO L470 AbstractCegarLoop]: Abstraction has 54263 states and 86068 transitions. [2021-12-18 09:21:25,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 09:21:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 54263 states and 86068 transitions. [2021-12-18 09:21:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-18 09:21:26,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:21:26,098 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:21:26,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:21:26,098 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:21:26,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:21:26,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1211253408, now seen corresponding path program 1 times [2021-12-18 09:21:26,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:21:26,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144640469] [2021-12-18 09:21:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:21:26,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:21:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:21:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:21:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:21:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:21:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:21:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:21:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:21:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:21:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:21:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 09:21:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 09:21:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:21:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 09:21:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:21:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 09:21:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:21:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-12-18 09:21:27,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:21:27,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144640469] [2021-12-18 09:21:27,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144640469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:21:27,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:21:27,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 09:21:27,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056996350] [2021-12-18 09:21:27,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:21:27,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 09:21:27,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:21:27,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 09:21:27,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-18 09:21:27,675 INFO L87 Difference]: Start difference. First operand 54263 states and 86068 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-18 09:21:29,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15