./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.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 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 00:07:16,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 00:07:16,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 00:07:16,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 00:07:16,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 00:07:16,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 00:07:16,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 00:07:16,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 00:07:16,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 00:07:16,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 00:07:16,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 00:07:16,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 00:07:16,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 00:07:16,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 00:07:16,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 00:07:16,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 00:07:16,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 00:07:16,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 00:07:16,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 00:07:16,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 00:07:16,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 00:07:16,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 00:07:16,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 00:07:16,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 00:07:16,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 00:07:16,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 00:07:16,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 00:07:16,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 00:07:16,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 00:07:16,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 00:07:16,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 00:07:16,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 00:07:16,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 00:07:16,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 00:07:16,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 00:07:16,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 00:07:16,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 00:07:16,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 00:07:16,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 00:07:16,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 00:07:16,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 00:07:16,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 00:07:16,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 00:07:16,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 00:07:16,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 00:07:16,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 00:07:16,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 00:07:16,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 00:07:16,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 00:07:16,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 00:07:16,452 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 00:07:16,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 00:07:16,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 00:07:16,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 00:07:16,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 00:07:16,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 00:07:16,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 00:07:16,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 00:07:16,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 00:07:16,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 00:07:16,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 00:07:16,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 00:07:16,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 00:07:16,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 00:07:16,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 00:07:16,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 00:07:16,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 00:07:16,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 00:07:16,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 00:07:16,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 00:07:16,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 00:07:16,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 00:07:16,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 00:07:16,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 [2021-11-17 00:07:16,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 00:07:16,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 00:07:16,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 00:07:16,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 00:07:16,692 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 00:07:16,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-17 00:07:16,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9137bdd7b/00b0c7b0137b4ca6899be9c9312b013a/FLAGcd62d1d0b [2021-11-17 00:07:17,655 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 00:07:17,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-17 00:07:17,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9137bdd7b/00b0c7b0137b4ca6899be9c9312b013a/FLAGcd62d1d0b [2021-11-17 00:07:18,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9137bdd7b/00b0c7b0137b4ca6899be9c9312b013a [2021-11-17 00:07:18,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 00:07:18,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 00:07:18,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 00:07:18,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 00:07:18,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 00:07:18,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:07:18" (1/1) ... [2021-11-17 00:07:18,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ce28d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:18, skipping insertion in model container [2021-11-17 00:07:18,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:07:18" (1/1) ... [2021-11-17 00:07:18,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 00:07:18,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 00:07:25,521 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-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-17 00:07:25,731 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 00:07:25,753 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 00:07:26,379 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-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-17 00:07:26,386 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 00:07:26,585 INFO L208 MainTranslator]: Completed translation [2021-11-17 00:07:26,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26 WrapperNode [2021-11-17 00:07:26,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 00:07:26,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 00:07:26,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 00:07:26,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 00:07:26,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:26,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,143 INFO L137 Inliner]: procedures = 784, calls = 11130, calls flagged for inlining = 319, calls inlined = 156, statements flattened = 14218 [2021-11-17 00:07:27,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 00:07:27,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 00:07:27,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 00:07:27,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 00:07:27,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 00:07:27,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 00:07:27,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 00:07:27,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 00:07:27,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (1/1) ... [2021-11-17 00:07:27,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 00:07:27,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 00:07:27,765 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) [2021-11-17 00:07:27,831 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 [2021-11-17 00:07:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-17 00:07:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-17 00:07:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-17 00:07:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-17 00:07:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-17 00:07:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-17 00:07:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-17 00:07:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-17 00:07:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-17 00:07:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-17 00:07:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-17 00:07:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-17 00:07:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-17 00:07:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-17 00:07:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 00:07:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 00:07:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-11-17 00:07:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-11-17 00:07:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-17 00:07:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-17 00:07:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-17 00:07:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-17 00:07:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-17 00:07:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-17 00:07:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-17 00:07:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-17 00:07:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-11-17 00:07:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-11-17 00:07:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-17 00:07:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-17 00:07:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-17 00:07:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-17 00:07:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-17 00:07:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-17 00:07:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 00:07:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 00:07:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-11-17 00:07:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-11-17 00:07:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-11-17 00:07:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-11-17 00:07:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-17 00:07:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-17 00:07:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 00:07:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 00:07:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 00:07:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 00:07:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-17 00:07:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-17 00:07:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-11-17 00:07:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-11-17 00:07:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-17 00:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-17 00:07:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-17 00:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-17 00:07:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 00:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 00:07:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-11-17 00:07:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-11-17 00:07:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-17 00:07:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-17 00:07:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-17 00:07:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-17 00:07:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-17 00:07:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-17 00:07:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-11-17 00:07:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-11-17 00:07:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 00:07:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 00:07:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-17 00:07:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-17 00:07:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-11-17 00:07:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-11-17 00:07:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-17 00:07:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-17 00:07:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 00:07:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-11-17 00:07:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-11-17 00:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-17 00:07:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-17 00:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-17 00:07:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-17 00:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-11-17 00:07:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-11-17 00:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-17 00:07:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-17 00:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-11-17 00:07:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-11-17 00:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-17 00:07:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-17 00:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-17 00:07:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-17 00:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 00:07:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 00:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 00:07:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 00:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 00:07:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 00:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-17 00:07:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-17 00:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-17 00:07:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-17 00:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-17 00:07:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-17 00:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-17 00:07:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-17 00:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-17 00:07:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-17 00:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-17 00:07:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-17 00:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-11-17 00:07:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-11-17 00:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 00:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-11-17 00:07:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-11-17 00:07:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-17 00:07:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-17 00:07:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 00:07:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 00:07:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 00:07:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 00:07:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 00:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-17 00:07:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-17 00:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 00:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 00:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-17 00:07:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-17 00:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-17 00:07:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-17 00:07:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-17 00:07:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-17 00:07:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-17 00:07:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-17 00:07:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-11-17 00:07:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-11-17 00:07:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-17 00:07:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-17 00:07:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-17 00:07:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-17 00:07:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-17 00:07:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-17 00:07:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-17 00:07:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-17 00:07:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 00:07:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 00:07:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-11-17 00:07:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-11-17 00:07:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-17 00:07:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-17 00:07:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-17 00:07:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-17 00:07:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-17 00:07:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-17 00:07:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-17 00:07:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-17 00:07:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-11-17 00:07:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-11-17 00:07:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 00:07:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 00:07:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 00:07:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 00:07:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 00:07:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 00:07:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-17 00:07:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-17 00:07:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 00:07:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 00:07:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 00:07:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-17 00:07:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-17 00:07:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 00:07:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 00:07:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 00:07:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-17 00:07:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-17 00:07:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-17 00:07:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-17 00:07:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-17 00:07:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-17 00:07:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-17 00:07:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-17 00:07:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-11-17 00:07:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-11-17 00:07:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-11-17 00:07:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-11-17 00:07:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-17 00:07:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-17 00:07:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-17 00:07:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-17 00:07:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-17 00:07:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-17 00:07:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-17 00:07:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-17 00:07:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 00:07:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 00:07:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 00:07:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 00:07:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-11-17 00:07:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-11-17 00:07:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-11-17 00:07:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-11-17 00:07:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-17 00:07:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-17 00:07:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 00:07:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 00:07:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-17 00:07:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-17 00:07:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-17 00:07:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-17 00:07:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 00:07:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 00:07:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-17 00:07:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-17 00:07:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-17 00:07:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-17 00:07:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-17 00:07:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-17 00:07:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 00:07:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-17 00:07:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-17 00:07:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 00:07:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 00:07:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-17 00:07:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-17 00:07:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-17 00:07:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-17 00:07:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-17 00:07:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-17 00:07:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 00:07:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-17 00:07:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-17 00:07:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-17 00:07:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-17 00:07:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-11-17 00:07:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-11-17 00:07:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-17 00:07:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-17 00:07:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-11-17 00:07:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-11-17 00:07:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-17 00:07:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-17 00:07:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-11-17 00:07:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-11-17 00:07:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-17 00:07:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 00:07:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 00:07:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 00:07:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 00:07:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-17 00:07:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-17 00:07:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-17 00:07:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-17 00:07:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-17 00:07:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-17 00:07:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-17 00:07:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-17 00:07:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 00:07:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 00:07:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-17 00:07:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-17 00:07:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-11-17 00:07:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-11-17 00:07:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-17 00:07:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-17 00:07:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 00:07:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 00:07:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 00:07:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 00:07:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-17 00:07:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-17 00:07:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-17 00:07:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-17 00:07:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-17 00:07:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-17 00:07:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-17 00:07:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-17 00:07:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-17 00:07:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-17 00:07:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 00:07:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-17 00:07:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-17 00:07:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 00:07:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 00:07:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-17 00:07:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-17 00:07:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-17 00:07:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-17 00:07:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-17 00:07:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-17 00:07:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-17 00:07:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-17 00:07:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-11-17 00:07:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-11-17 00:07:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-17 00:07:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-17 00:07:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 00:07:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 00:07:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-11-17 00:07:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-11-17 00:07:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-11-17 00:07:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-11-17 00:07:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-11-17 00:07:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-11-17 00:07:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 00:07:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 00:07:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-17 00:07:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-17 00:07:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-17 00:07:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-17 00:07:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-17 00:07:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-17 00:07:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-17 00:07:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-17 00:07:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-17 00:07:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-17 00:07:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 00:07:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 00:07:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-17 00:07:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-17 00:07:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-17 00:07:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-17 00:07:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-17 00:07:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-17 00:07:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-17 00:07:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-17 00:07:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 00:07:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 00:07:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-17 00:07:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-17 00:07:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-11-17 00:07:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-11-17 00:07:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-11-17 00:07:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-11-17 00:07:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-17 00:07:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-17 00:07:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-11-17 00:07:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-11-17 00:07:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-11-17 00:07:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-11-17 00:07:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-17 00:07:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-17 00:07:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-11-17 00:07:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-11-17 00:07:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-11-17 00:07:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-11-17 00:07:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 00:07:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-17 00:07:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-17 00:07:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-11-17 00:07:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-11-17 00:07:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 00:07:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 00:07:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 00:07:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 00:07:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 00:07:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 00:07:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 00:07:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-17 00:07:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-17 00:07:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 00:07:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-17 00:07:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-17 00:07:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-11-17 00:07:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-11-17 00:07:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-17 00:07:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-17 00:07:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 00:07:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 00:07:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-11-17 00:07:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-11-17 00:07:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-11-17 00:07:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-11-17 00:07:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-17 00:07:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-17 00:07:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 00:07:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 00:07:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-17 00:07:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-17 00:07:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-17 00:07:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-17 00:07:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-11-17 00:07:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-11-17 00:07:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-11-17 00:07:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-11-17 00:07:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-17 00:07:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-17 00:07:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-17 00:07:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-17 00:07:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-17 00:07:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-17 00:07:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-17 00:07:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-17 00:07:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 00:07:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 00:07:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-17 00:07:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-17 00:07:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-17 00:07:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-17 00:07:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-11-17 00:07:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-11-17 00:07:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-11-17 00:07:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-11-17 00:07:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-11-17 00:07:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-11-17 00:07:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 00:07:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 00:07:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-17 00:07:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-17 00:07:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-17 00:07:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-17 00:07:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-17 00:07:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-17 00:07:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 00:07:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 00:07:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 00:07:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 00:07:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-17 00:07:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-17 00:07:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-11-17 00:07:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-11-17 00:07:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-17 00:07:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-17 00:07:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-17 00:07:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-17 00:07:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 00:07:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-17 00:07:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-17 00:07:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-17 00:07:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-17 00:07:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-17 00:07:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-17 00:07:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-17 00:07:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-17 00:07:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-11-17 00:07:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-11-17 00:07:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-17 00:07:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-17 00:07:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-17 00:07:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-17 00:07:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-17 00:07:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-17 00:07:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 00:07:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 00:07:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-17 00:07:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-17 00:07:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-17 00:07:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-17 00:07:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 00:07:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 00:07:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-17 00:07:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-17 00:07:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-17 00:07:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-17 00:07:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-17 00:07:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-17 00:07:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 00:07:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-17 00:07:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-17 00:07:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 00:07:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 00:07:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-17 00:07:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-17 00:07:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-17 00:07:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-17 00:07:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-17 00:07:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-17 00:07:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-17 00:07:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-17 00:07:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-17 00:07:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-17 00:07:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-17 00:07:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-17 00:07:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-11-17 00:07:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-11-17 00:07:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-17 00:07:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-17 00:07:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-17 00:07:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-17 00:07:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-17 00:07:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-17 00:07:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-17 00:07:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-17 00:07:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-17 00:07:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-17 00:07:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-17 00:07:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-17 00:07:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-11-17 00:07:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-11-17 00:07:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-17 00:07:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-17 00:07:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-11-17 00:07:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-11-17 00:07:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-17 00:07:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-17 00:07:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 00:07:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 00:07:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-11-17 00:07:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-11-17 00:07:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-11-17 00:07:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-11-17 00:07:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-17 00:07:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-17 00:07:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-17 00:07:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-17 00:07:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-17 00:07:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-17 00:07:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-17 00:07:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-17 00:07:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 00:07:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 00:07:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-11-17 00:07:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-11-17 00:07:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-11-17 00:07:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-11-17 00:07:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-17 00:07:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-17 00:07:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-11-17 00:07:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-11-17 00:07:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-17 00:07:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-17 00:07:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 00:07:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 00:07:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-11-17 00:07:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-11-17 00:07:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 00:07:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 00:07:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 00:07:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 00:07:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 00:07:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-17 00:07:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-17 00:07:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-17 00:07:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-17 00:07:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 00:07:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 00:07:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-17 00:07:29,348 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 00:07:29,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 00:07:47,943 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 00:07:47,975 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 00:07:47,976 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-17 00:07:47,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:07:47 BoogieIcfgContainer [2021-11-17 00:07:47,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 00:07:47,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 00:07:47,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 00:07:47,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 00:07:47,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:07:18" (1/3) ... [2021-11-17 00:07:47,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6bea7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:07:47, skipping insertion in model container [2021-11-17 00:07:47,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:26" (2/3) ... [2021-11-17 00:07:47,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6bea7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:07:47, skipping insertion in model container [2021-11-17 00:07:47,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:07:47" (3/3) ... [2021-11-17 00:07:47,991 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-17 00:07:47,995 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 00:07:47,995 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 00:07:48,042 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 00:07:48,047 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 [2021-11-17 00:07:48,048 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 00:07:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 5409 states, 3850 states have (on average 1.4018181818181819) internal successors, (5397), 3993 states have internal predecessors, (5397), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-17 00:07:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-17 00:07:48,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:07:48,137 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:07:48,137 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:07:48,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:07:48,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1239585877, now seen corresponding path program 1 times [2021-11-17 00:07:48,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:07:48,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413632776] [2021-11-17 00:07:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:07:48,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:07:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:07:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:07:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:07:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:07:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:07:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:07:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:07:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:07:49,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:07:49,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413632776] [2021-11-17 00:07:49,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413632776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:07:49,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:07:49,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:07:49,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007177239] [2021-11-17 00:07:49,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:07:49,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:07:49,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:07:49,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:07:49,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:07:49,061 INFO L87 Difference]: Start difference. First operand has 5409 states, 3850 states have (on average 1.4018181818181819) internal successors, (5397), 3993 states have internal predecessors, (5397), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:07:51,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:07:53,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:07:55,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:11,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:14,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:18,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:20,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:22,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:25,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:28,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:30,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:44,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:46,149 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:48,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:52,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:53,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:08:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:08:55,869 INFO L93 Difference]: Finished difference Result 18626 states and 28932 transitions. [2021-11-17 00:08:55,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:08:55,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-11-17 00:08:55,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:08:55,977 INFO L225 Difference]: With dead ends: 18626 [2021-11-17 00:08:55,978 INFO L226 Difference]: Without dead ends: 13200 [2021-11-17 00:08:56,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:08:56,193 INFO L933 BasicCegarLoop]: 7617 mSDtfsCounter, 20676 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 16481 mSolverCounterSat, 11262 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21681 SdHoareTripleChecker+Valid, 11122 SdHoareTripleChecker+Invalid, 27756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11262 IncrementalHoareTripleChecker+Valid, 16481 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2021-11-17 00:08:56,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21681 Valid, 11122 Invalid, 27756 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11262 Valid, 16481 Invalid, 13 Unknown, 0 Unchecked, 65.2s Time] [2021-11-17 00:08:56,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13200 states. [2021-11-17 00:08:56,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13200 to 10011. [2021-11-17 00:08:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10011 states, 7096 states have (on average 1.3933201803833146) internal successors, (9887), 7355 states have internal predecessors, (9887), 2418 states have call successors, (2418), 498 states have call predecessors, (2418), 496 states have return successors, (2456), 2313 states have call predecessors, (2456), 2408 states have call successors, (2456) [2021-11-17 00:08:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10011 states to 10011 states and 14761 transitions. [2021-11-17 00:08:56,776 INFO L78 Accepts]: Start accepts. Automaton has 10011 states and 14761 transitions. Word has length 24 [2021-11-17 00:08:56,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:08:56,777 INFO L470 AbstractCegarLoop]: Abstraction has 10011 states and 14761 transitions. [2021-11-17 00:08:56,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:08:56,778 INFO L276 IsEmpty]: Start isEmpty. Operand 10011 states and 14761 transitions. [2021-11-17 00:08:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-17 00:08:56,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:08:56,780 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:08:56,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 00:08:56,780 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:08:56,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:08:56,781 INFO L85 PathProgramCache]: Analyzing trace with hash 225308175, now seen corresponding path program 1 times [2021-11-17 00:08:56,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:08:56,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029798938] [2021-11-17 00:08:56,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:08:56,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:08:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:08:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:08:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:08:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:08:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:08:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:08:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:08:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:08:57,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:08:57,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029798938] [2021-11-17 00:08:57,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029798938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:08:57,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:08:57,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:08:57,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560991800] [2021-11-17 00:08:57,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:08:57,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:08:57,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:08:57,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:08:57,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:08:57,265 INFO L87 Difference]: Start difference. First operand 10011 states and 14761 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:08:59,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:01,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:03,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:07,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:19,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:36,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:38,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:42,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:45,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:09:52,421 INFO L93 Difference]: Finished difference Result 34430 states and 53747 transitions. [2021-11-17 00:09:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:09:52,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2021-11-17 00:09:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:09:52,567 INFO L225 Difference]: With dead ends: 34430 [2021-11-17 00:09:52,567 INFO L226 Difference]: Without dead ends: 24429 [2021-11-17 00:09:52,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:09:52,634 INFO L933 BasicCegarLoop]: 8191 mSDtfsCounter, 19811 mSDsluCounter, 4556 mSDsCounter, 0 mSdLazyCounter, 17016 mSolverCounterSat, 10942 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20626 SdHoareTripleChecker+Valid, 12747 SdHoareTripleChecker+Invalid, 27966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10942 IncrementalHoareTripleChecker+Valid, 17016 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2021-11-17 00:09:52,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20626 Valid, 12747 Invalid, 27966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10942 Valid, 17016 Invalid, 8 Unknown, 0 Unchecked, 53.7s Time] [2021-11-17 00:09:52,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24429 states. [2021-11-17 00:09:53,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24429 to 21877. [2021-11-17 00:09:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21877 states, 15583 states have (on average 1.3908746711159596) internal successors, (21674), 16250 states have internal predecessors, (21674), 5142 states have call successors, (5142), 973 states have call predecessors, (5142), 1151 states have return successors, (6627), 5031 states have call predecessors, (6627), 5125 states have call successors, (6627) [2021-11-17 00:09:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21877 states to 21877 states and 33443 transitions. [2021-11-17 00:09:53,734 INFO L78 Accepts]: Start accepts. Automaton has 21877 states and 33443 transitions. Word has length 25 [2021-11-17 00:09:53,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:09:53,735 INFO L470 AbstractCegarLoop]: Abstraction has 21877 states and 33443 transitions. [2021-11-17 00:09:53,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:09:53,735 INFO L276 IsEmpty]: Start isEmpty. Operand 21877 states and 33443 transitions. [2021-11-17 00:09:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-17 00:09:53,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:09:53,736 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:09:53,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 00:09:53,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:09:53,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:09:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1607611602, now seen corresponding path program 1 times [2021-11-17 00:09:53,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:09:53,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756988853] [2021-11-17 00:09:53,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:09:53,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:09:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:09:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:09:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:09:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:09:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:09:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:09:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:09:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:09:54,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:09:54,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756988853] [2021-11-17 00:09:54,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756988853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:09:54,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:09:54,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:09:54,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983297414] [2021-11-17 00:09:54,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:09:54,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:09:54,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:09:54,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:09:54,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:09:54,226 INFO L87 Difference]: Start difference. First operand 21877 states and 33443 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:09:56,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:09:58,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:00,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:02,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:10,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:12,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:22,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:25,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:27,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:31,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:35,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:37,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:42,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:44,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:10:46,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:00,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:01,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:03,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:11:03,260 INFO L93 Difference]: Finished difference Result 24770 states and 38526 transitions. [2021-11-17 00:11:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:11:03,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2021-11-17 00:11:03,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:11:03,363 INFO L225 Difference]: With dead ends: 24770 [2021-11-17 00:11:03,363 INFO L226 Difference]: Without dead ends: 24767 [2021-11-17 00:11:03,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:11:03,385 INFO L933 BasicCegarLoop]: 7381 mSDtfsCounter, 20805 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 16438 mSolverCounterSat, 11354 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21811 SdHoareTripleChecker+Valid, 10663 SdHoareTripleChecker+Invalid, 27804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11354 IncrementalHoareTripleChecker+Valid, 16438 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.7s IncrementalHoareTripleChecker+Time [2021-11-17 00:11:03,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21811 Valid, 10663 Invalid, 27804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11354 Valid, 16438 Invalid, 12 Unknown, 0 Unchecked, 67.7s Time] [2021-11-17 00:11:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24767 states. [2021-11-17 00:11:04,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24767 to 21876. [2021-11-17 00:11:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21876 states, 15583 states have (on average 1.3908104986202914) internal successors, (21673), 16249 states have internal predecessors, (21673), 5141 states have call successors, (5141), 973 states have call predecessors, (5141), 1151 states have return successors, (6627), 5031 states have call predecessors, (6627), 5125 states have call successors, (6627) [2021-11-17 00:11:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21876 states to 21876 states and 33441 transitions. [2021-11-17 00:11:04,249 INFO L78 Accepts]: Start accepts. Automaton has 21876 states and 33441 transitions. Word has length 26 [2021-11-17 00:11:04,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:11:04,250 INFO L470 AbstractCegarLoop]: Abstraction has 21876 states and 33441 transitions. [2021-11-17 00:11:04,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:11:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 21876 states and 33441 transitions. [2021-11-17 00:11:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-17 00:11:04,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:11:04,252 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:11:04,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 00:11:04,252 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:11:04,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:11:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1701422322, now seen corresponding path program 1 times [2021-11-17 00:11:04,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:11:04,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509903542] [2021-11-17 00:11:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:11:04,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:11:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:11:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:11:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:11:04,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:11:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:11:04,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:11:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:11:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:11:04,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:11:04,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509903542] [2021-11-17 00:11:04,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509903542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:11:04,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:11:04,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:11:04,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879301847] [2021-11-17 00:11:04,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:11:04,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:11:04,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:11:04,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:11:04,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:11:04,865 INFO L87 Difference]: Start difference. First operand 21876 states and 33441 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:11:06,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:09,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:11,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:13,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:14,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:44,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:46,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:48,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:52,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:54,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:11:57,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:04,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:08,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:13,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:17,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:23,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:12:23,563 INFO L93 Difference]: Finished difference Result 67997 states and 110841 transitions. [2021-11-17 00:12:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:12:23,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2021-11-17 00:12:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:12:23,792 INFO L225 Difference]: With dead ends: 67997 [2021-11-17 00:12:23,793 INFO L226 Difference]: Without dead ends: 46126 [2021-11-17 00:12:23,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:12:23,938 INFO L933 BasicCegarLoop]: 12633 mSDtfsCounter, 16681 mSDsluCounter, 5207 mSDsCounter, 0 mSdLazyCounter, 21083 mSolverCounterSat, 9165 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17686 SdHoareTripleChecker+Valid, 17840 SdHoareTripleChecker+Invalid, 30261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9165 IncrementalHoareTripleChecker+Valid, 21083 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.3s IncrementalHoareTripleChecker+Time [2021-11-17 00:12:23,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17686 Valid, 17840 Invalid, 30261 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9165 Valid, 21083 Invalid, 13 Unknown, 0 Unchecked, 76.3s Time] [2021-11-17 00:12:23,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46126 states. [2021-11-17 00:12:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46126 to 40880. [2021-11-17 00:12:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40880 states, 29085 states have (on average 1.3916107959429258) internal successors, (40475), 30372 states have internal predecessors, (40475), 9626 states have call successors, (9626), 1889 states have call predecessors, (9626), 2168 states have return successors, (14271), 9318 states have call predecessors, (14271), 9609 states have call successors, (14271) [2021-11-17 00:12:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40880 states to 40880 states and 64372 transitions. [2021-11-17 00:12:25,960 INFO L78 Accepts]: Start accepts. Automaton has 40880 states and 64372 transitions. Word has length 27 [2021-11-17 00:12:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:12:25,961 INFO L470 AbstractCegarLoop]: Abstraction has 40880 states and 64372 transitions. [2021-11-17 00:12:25,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 00:12:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 40880 states and 64372 transitions. [2021-11-17 00:12:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-17 00:12:25,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:12:25,971 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:12:25,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 00:12:25,972 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:12:25,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:12:25,972 INFO L85 PathProgramCache]: Analyzing trace with hash 490853693, now seen corresponding path program 1 times [2021-11-17 00:12:25,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:12:25,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482581936] [2021-11-17 00:12:25,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:12:25,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:12:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:12:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:12:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:12:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:12:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:12:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:12:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:12:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:12:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 00:12:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:12:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:12:26,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:12:26,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482581936] [2021-11-17 00:12:26,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482581936] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:12:26,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:12:26,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:12:26,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792753578] [2021-11-17 00:12:26,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:12:26,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:12:26,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:12:26,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:12:26,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:12:26,722 INFO L87 Difference]: Start difference. First operand 40880 states and 64372 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:12:28,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:31,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:44,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:12:58,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:01,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:03,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:05,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:09,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:13:09,331 INFO L93 Difference]: Finished difference Result 86894 states and 138209 transitions. [2021-11-17 00:13:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 00:13:09,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2021-11-17 00:13:09,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:13:09,588 INFO L225 Difference]: With dead ends: 86894 [2021-11-17 00:13:09,588 INFO L226 Difference]: Without dead ends: 46024 [2021-11-17 00:13:09,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-17 00:13:09,886 INFO L933 BasicCegarLoop]: 7491 mSDtfsCounter, 7039 mSDsluCounter, 4973 mSDsCounter, 0 mSdLazyCounter, 12932 mSolverCounterSat, 4369 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7631 SdHoareTripleChecker+Valid, 12464 SdHoareTripleChecker+Invalid, 17306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4369 IncrementalHoareTripleChecker+Valid, 12932 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2021-11-17 00:13:09,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7631 Valid, 12464 Invalid, 17306 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4369 Valid, 12932 Invalid, 5 Unknown, 0 Unchecked, 40.3s Time] [2021-11-17 00:13:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46024 states. [2021-11-17 00:13:11,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46024 to 40884. [2021-11-17 00:13:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40884 states, 29089 states have (on average 1.3915569459245762) internal successors, (40479), 30376 states have internal predecessors, (40479), 9626 states have call successors, (9626), 1889 states have call predecessors, (9626), 2168 states have return successors, (14271), 9318 states have call predecessors, (14271), 9609 states have call successors, (14271) [2021-11-17 00:13:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40884 states to 40884 states and 64376 transitions. [2021-11-17 00:13:11,889 INFO L78 Accepts]: Start accepts. Automaton has 40884 states and 64376 transitions. Word has length 78 [2021-11-17 00:13:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:13:11,890 INFO L470 AbstractCegarLoop]: Abstraction has 40884 states and 64376 transitions. [2021-11-17 00:13:11,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:13:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 40884 states and 64376 transitions. [2021-11-17 00:13:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-17 00:13:11,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:13:11,892 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:13:11,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 00:13:11,892 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:13:11,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:13:11,892 INFO L85 PathProgramCache]: Analyzing trace with hash -225107106, now seen corresponding path program 1 times [2021-11-17 00:13:11,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:13:11,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797815658] [2021-11-17 00:13:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:13:11,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:13:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:13:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:13:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:13:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 00:13:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 00:13:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:13:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:13:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:13:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 00:13:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:13:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:13:12,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:13:12,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797815658] [2021-11-17 00:13:12,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797815658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:13:12,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:13:12,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:13:12,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125713084] [2021-11-17 00:13:12,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:13:12,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:13:12,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:13:12,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:13:12,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:13:12,361 INFO L87 Difference]: Start difference. First operand 40884 states and 64376 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:13:14,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:16,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:19,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:32,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:42,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:44,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:48,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:54,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:13:57,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:14:00,973 INFO L93 Difference]: Finished difference Result 86902 states and 138213 transitions. [2021-11-17 00:14:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 00:14:00,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2021-11-17 00:14:00,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:14:01,265 INFO L225 Difference]: With dead ends: 86902 [2021-11-17 00:14:01,265 INFO L226 Difference]: Without dead ends: 46028 [2021-11-17 00:14:01,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-17 00:14:01,587 INFO L933 BasicCegarLoop]: 7554 mSDtfsCounter, 7009 mSDsluCounter, 5083 mSDsCounter, 0 mSdLazyCounter, 12929 mSolverCounterSat, 4327 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7591 SdHoareTripleChecker+Valid, 12637 SdHoareTripleChecker+Invalid, 17264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4327 IncrementalHoareTripleChecker+Valid, 12929 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2021-11-17 00:14:01,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7591 Valid, 12637 Invalid, 17264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4327 Valid, 12929 Invalid, 8 Unknown, 0 Unchecked, 46.2s Time] [2021-11-17 00:14:01,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46028 states. [2021-11-17 00:14:03,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46028 to 40888. [2021-11-17 00:14:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40888 states, 29093 states have (on average 1.3915031107139175) internal successors, (40483), 30380 states have internal predecessors, (40483), 9626 states have call successors, (9626), 1889 states have call predecessors, (9626), 2168 states have return successors, (14271), 9318 states have call predecessors, (14271), 9609 states have call successors, (14271) [2021-11-17 00:14:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40888 states to 40888 states and 64380 transitions. [2021-11-17 00:14:03,797 INFO L78 Accepts]: Start accepts. Automaton has 40888 states and 64380 transitions. Word has length 81 [2021-11-17 00:14:03,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:14:03,798 INFO L470 AbstractCegarLoop]: Abstraction has 40888 states and 64380 transitions. [2021-11-17 00:14:03,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:14:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 40888 states and 64380 transitions. [2021-11-17 00:14:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-17 00:14:03,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:14:03,800 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:14:03,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 00:14:03,800 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:14:03,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:14:03,800 INFO L85 PathProgramCache]: Analyzing trace with hash 608643393, now seen corresponding path program 1 times [2021-11-17 00:14:03,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:14:03,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128163112] [2021-11-17 00:14:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:14:03,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:14:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:14:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:14:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:14:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:14:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:14:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:14:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:14:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:14:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 00:14:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:14:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:14:04,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:14:04,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128163112] [2021-11-17 00:14:04,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128163112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:14:04,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:14:04,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 00:14:04,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938847951] [2021-11-17 00:14:04,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:14:04,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 00:14:04,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:14:04,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 00:14:04,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 00:14:04,479 INFO L87 Difference]: Start difference. First operand 40888 states and 64380 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:14:06,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:08,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:13,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:28,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:30,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:42,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:44,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:48,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:50,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:53,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:14:55,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:01,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:03,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:05,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:07,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:09,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:15:13,795 INFO L93 Difference]: Finished difference Result 86926 states and 138245 transitions. [2021-11-17 00:15:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 00:15:13,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2021-11-17 00:15:13,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:15:14,151 INFO L225 Difference]: With dead ends: 86926 [2021-11-17 00:15:14,151 INFO L226 Difference]: Without dead ends: 46048 [2021-11-17 00:15:14,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-17 00:15:14,275 INFO L933 BasicCegarLoop]: 7471 mSDtfsCounter, 7053 mSDsluCounter, 8335 mSDsCounter, 0 mSdLazyCounter, 18209 mSolverCounterSat, 4395 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7645 SdHoareTripleChecker+Valid, 15806 SdHoareTripleChecker+Invalid, 22616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4395 IncrementalHoareTripleChecker+Valid, 18209 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.6s IncrementalHoareTripleChecker+Time [2021-11-17 00:15:14,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7645 Valid, 15806 Invalid, 22616 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4395 Valid, 18209 Invalid, 12 Unknown, 0 Unchecked, 66.6s Time] [2021-11-17 00:15:14,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46048 states. [2021-11-17 00:15:15,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46048 to 40902. [2021-11-17 00:15:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40902 states, 29105 states have (on average 1.391341693867033) internal successors, (40495), 30394 states have internal predecessors, (40495), 9626 states have call successors, (9626), 1889 states have call predecessors, (9626), 2170 states have return successors, (14275), 9318 states have call predecessors, (14275), 9609 states have call successors, (14275) [2021-11-17 00:15:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40902 states to 40902 states and 64396 transitions. [2021-11-17 00:15:16,200 INFO L78 Accepts]: Start accepts. Automaton has 40902 states and 64396 transitions. Word has length 78 [2021-11-17 00:15:16,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:15:16,206 INFO L470 AbstractCegarLoop]: Abstraction has 40902 states and 64396 transitions. [2021-11-17 00:15:16,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:15:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 40902 states and 64396 transitions. [2021-11-17 00:15:16,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-17 00:15:16,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:15:16,207 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:15:16,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 00:15:16,207 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:15:16,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:15:16,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1192599773, now seen corresponding path program 1 times [2021-11-17 00:15:16,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:15:16,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966606992] [2021-11-17 00:15:16,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:15:16,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:15:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:15:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:15:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:15:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 00:15:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 00:15:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:15:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:15:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:15:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-17 00:15:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-17 00:15:17,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:15:17,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966606992] [2021-11-17 00:15:17,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966606992] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 00:15:17,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059092690] [2021-11-17 00:15:17,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:15:17,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 00:15:17,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 00:15:17,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 00:15:17,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 00:15:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:19,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 10388 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-17 00:15:19,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 00:15:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:15:19,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 00:15:19,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059092690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:15:19,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 00:15:19,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2021-11-17 00:15:19,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679010463] [2021-11-17 00:15:19,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:15:19,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:15:19,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:15:19,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:15:19,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-17 00:15:19,724 INFO L87 Difference]: Start difference. First operand 40902 states and 64396 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-17 00:15:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:15:21,417 INFO L93 Difference]: Finished difference Result 81802 states and 128816 transitions. [2021-11-17 00:15:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 00:15:21,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 83 [2021-11-17 00:15:21,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:15:21,566 INFO L225 Difference]: With dead ends: 81802 [2021-11-17 00:15:21,566 INFO L226 Difference]: Without dead ends: 40910 [2021-11-17 00:15:21,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-17 00:15:21,709 INFO L933 BasicCegarLoop]: 7957 mSDtfsCounter, 10 mSDsluCounter, 23867 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 31824 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 00:15:21,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 31824 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 00:15:21,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40910 states. [2021-11-17 00:15:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40910 to 40902. [2021-11-17 00:15:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40902 states, 29105 states have (on average 1.391272977151692) internal successors, (40493), 30394 states have internal predecessors, (40493), 9626 states have call successors, (9626), 1889 states have call predecessors, (9626), 2170 states have return successors, (14275), 9318 states have call predecessors, (14275), 9609 states have call successors, (14275) [2021-11-17 00:15:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40902 states to 40902 states and 64394 transitions. [2021-11-17 00:15:23,340 INFO L78 Accepts]: Start accepts. Automaton has 40902 states and 64394 transitions. Word has length 83 [2021-11-17 00:15:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:15:23,341 INFO L470 AbstractCegarLoop]: Abstraction has 40902 states and 64394 transitions. [2021-11-17 00:15:23,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-17 00:15:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 40902 states and 64394 transitions. [2021-11-17 00:15:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-17 00:15:23,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:15:23,342 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:15:23,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-17 00:15:23,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 00:15:23,560 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:15:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:15:23,560 INFO L85 PathProgramCache]: Analyzing trace with hash 450358086, now seen corresponding path program 1 times [2021-11-17 00:15:23,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:15:23,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243267994] [2021-11-17 00:15:23,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:15:23,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:15:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:15:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:15:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:15:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:15:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:15:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:15:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:15:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:15:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 00:15:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:15:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:15:24,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:15:24,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243267994] [2021-11-17 00:15:24,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243267994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:15:24,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:15:24,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:15:24,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779230480] [2021-11-17 00:15:24,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:15:24,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:15:24,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:15:24,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:15:24,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:15:24,307 INFO L87 Difference]: Start difference. First operand 40902 states and 64394 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-17 00:15:26,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:28,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:30,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:33,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:15:50,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:06,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:09,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:11,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:13,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:17,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:23,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:26,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:28,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:30,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:35,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:16:35,474 INFO L93 Difference]: Finished difference Result 101776 states and 166134 transitions. [2021-11-17 00:16:35,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:16:35,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 80 [2021-11-17 00:16:35,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:16:35,786 INFO L225 Difference]: With dead ends: 101776 [2021-11-17 00:16:35,787 INFO L226 Difference]: Without dead ends: 60884 [2021-11-17 00:16:36,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:16:36,183 INFO L933 BasicCegarLoop]: 8132 mSDtfsCounter, 17511 mSDsluCounter, 3510 mSDsCounter, 0 mSdLazyCounter, 16437 mSolverCounterSat, 9611 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18268 SdHoareTripleChecker+Valid, 11642 SdHoareTripleChecker+Invalid, 26059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9611 IncrementalHoareTripleChecker+Valid, 16437 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.8s IncrementalHoareTripleChecker+Time [2021-11-17 00:16:36,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18268 Valid, 11642 Invalid, 26059 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9611 Valid, 16437 Invalid, 11 Unknown, 0 Unchecked, 67.8s Time] [2021-11-17 00:16:36,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60884 states. [2021-11-17 00:16:38,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60884 to 53283. [2021-11-17 00:16:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53283 states, 37898 states have (on average 1.389202596443084) internal successors, (52648), 39643 states have internal predecessors, (52648), 12487 states have call successors, (12487), 2670 states have call predecessors, (12487), 2897 states have return successors, (17169), 11921 states have call predecessors, (17169), 12329 states have call successors, (17169) [2021-11-17 00:16:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53283 states to 53283 states and 82304 transitions. [2021-11-17 00:16:38,468 INFO L78 Accepts]: Start accepts. Automaton has 53283 states and 82304 transitions. Word has length 80 [2021-11-17 00:16:38,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:16:38,469 INFO L470 AbstractCegarLoop]: Abstraction has 53283 states and 82304 transitions. [2021-11-17 00:16:38,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-17 00:16:38,469 INFO L276 IsEmpty]: Start isEmpty. Operand 53283 states and 82304 transitions. [2021-11-17 00:16:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-17 00:16:38,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:16:38,470 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:16:38,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 00:16:38,471 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:16:38,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:16:38,471 INFO L85 PathProgramCache]: Analyzing trace with hash 46593836, now seen corresponding path program 1 times [2021-11-17 00:16:38,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:16:38,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192505601] [2021-11-17 00:16:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:16:38,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:16:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:16:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:16:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:16:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 00:16:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 00:16:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:16:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:16:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:16:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:16:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 00:16:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:16:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:16:39,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:16:39,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192505601] [2021-11-17 00:16:39,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192505601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:16:39,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:16:39,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 00:16:39,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098790771] [2021-11-17 00:16:39,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:16:39,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 00:16:39,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:16:39,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 00:16:39,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 00:16:39,174 INFO L87 Difference]: Start difference. First operand 53283 states and 82304 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 00:16:41,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:43,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:47,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:54,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:16:56,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:13,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:16,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:17,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:19,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:35,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:38,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:48,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:52,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:17:57,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:17:57,795 INFO L93 Difference]: Finished difference Result 64578 states and 103150 transitions. [2021-11-17 00:17:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:17:57,796 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 85 [2021-11-17 00:17:57,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:17:58,040 INFO L225 Difference]: With dead ends: 64578 [2021-11-17 00:17:58,040 INFO L226 Difference]: Without dead ends: 64378 [2021-11-17 00:17:58,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-17 00:17:58,080 INFO L933 BasicCegarLoop]: 7733 mSDtfsCounter, 8514 mSDsluCounter, 14846 mSDsCounter, 0 mSdLazyCounter, 29321 mSolverCounterSat, 4923 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9181 SdHoareTripleChecker+Valid, 22579 SdHoareTripleChecker+Invalid, 34250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4923 IncrementalHoareTripleChecker+Valid, 29321 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.9s IncrementalHoareTripleChecker+Time [2021-11-17 00:17:58,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9181 Valid, 22579 Invalid, 34250 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4923 Valid, 29321 Invalid, 6 Unknown, 0 Unchecked, 75.9s Time] [2021-11-17 00:17:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64378 states. [2021-11-17 00:18:00,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64378 to 53415. [2021-11-17 00:18:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53415 states, 37988 states have (on average 1.3891755291144572) internal successors, (52772), 39757 states have internal predecessors, (52772), 12499 states have call successors, (12499), 2670 states have call predecessors, (12499), 2927 states have return successors, (17291), 11939 states have call predecessors, (17291), 12341 states have call successors, (17291) [2021-11-17 00:18:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53415 states to 53415 states and 82562 transitions. [2021-11-17 00:18:00,593 INFO L78 Accepts]: Start accepts. Automaton has 53415 states and 82562 transitions. Word has length 85 [2021-11-17 00:18:00,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:18:00,593 INFO L470 AbstractCegarLoop]: Abstraction has 53415 states and 82562 transitions. [2021-11-17 00:18:00,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 00:18:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 53415 states and 82562 transitions. [2021-11-17 00:18:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-17 00:18:00,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:18:00,595 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:18:00,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 00:18:00,596 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:18:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:18:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -628660043, now seen corresponding path program 1 times [2021-11-17 00:18:00,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:18:00,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777227946] [2021-11-17 00:18:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:18:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:18:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:18:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:18:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:18:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:18:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:18:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:18:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:18:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:18:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 00:18:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 00:18:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:18:01,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:18:01,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777227946] [2021-11-17 00:18:01,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777227946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:18:01,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:18:01,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 00:18:01,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305548048] [2021-11-17 00:18:01,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:18:01,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 00:18:01,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:18:01,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 00:18:01,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:18:01,361 INFO L87 Difference]: Start difference. First operand 53415 states and 82562 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 00:18:03,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:18:05,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:18:08,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:18:16,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:18:24,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:18:30,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:18:46,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:18:46,735 INFO L93 Difference]: Finished difference Result 62541 states and 96166 transitions. [2021-11-17 00:18:46,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 00:18:46,736 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 84 [2021-11-17 00:18:46,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:18:46,764 INFO L225 Difference]: With dead ends: 62541 [2021-11-17 00:18:46,765 INFO L226 Difference]: Without dead ends: 9136 [2021-11-17 00:18:47,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-11-17 00:18:47,060 INFO L933 BasicCegarLoop]: 4801 mSDtfsCounter, 9221 mSDsluCounter, 8440 mSDsCounter, 0 mSdLazyCounter, 19305 mSolverCounterSat, 5051 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9609 SdHoareTripleChecker+Valid, 13241 SdHoareTripleChecker+Invalid, 24362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5051 IncrementalHoareTripleChecker+Valid, 19305 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.8s IncrementalHoareTripleChecker+Time [2021-11-17 00:18:47,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9609 Valid, 13241 Invalid, 24362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5051 Valid, 19305 Invalid, 6 Unknown, 0 Unchecked, 43.8s Time] [2021-11-17 00:18:47,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9136 states. [2021-11-17 00:18:47,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9136 to 7904. [2021-11-17 00:18:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7904 states, 5676 states have (on average 1.3949964763918252) internal successors, (7918), 5954 states have internal predecessors, (7918), 1791 states have call successors, (1791), 457 states have call predecessors, (1791), 436 states have return successors, (1829), 1626 states have call predecessors, (1829), 1698 states have call successors, (1829) [2021-11-17 00:18:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11538 transitions. [2021-11-17 00:18:47,447 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11538 transitions. Word has length 84 [2021-11-17 00:18:47,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:18:47,447 INFO L470 AbstractCegarLoop]: Abstraction has 7904 states and 11538 transitions. [2021-11-17 00:18:47,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 00:18:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11538 transitions. [2021-11-17 00:18:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-17 00:18:47,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:18:47,463 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:18:47,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 00:18:47,463 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:18:47,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:18:47,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1909137475, now seen corresponding path program 1 times [2021-11-17 00:18:47,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:18:47,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276940324] [2021-11-17 00:18:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:18:47,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:18:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:18:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:18:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:18:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:18:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 00:18:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:18:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:18:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:18:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:18:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 00:18:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 00:18:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:18:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 00:18:47,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:18:47,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276940324] [2021-11-17 00:18:47,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276940324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:18:47,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:18:47,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 00:18:47,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183954079] [2021-11-17 00:18:47,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:18:47,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 00:18:47,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:18:47,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 00:18:47,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 00:18:47,957 INFO L87 Difference]: Start difference. First operand 7904 states and 11538 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-17 00:18:50,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:18:53,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:19:04,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:19:18,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:19:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:19:38,091 INFO L93 Difference]: Finished difference Result 10263 states and 15625 transitions. [2021-11-17 00:19:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 00:19:38,092 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) Word has length 86 [2021-11-17 00:19:38,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:19:38,118 INFO L225 Difference]: With dead ends: 10263 [2021-11-17 00:19:38,118 INFO L226 Difference]: Without dead ends: 10063 [2021-11-17 00:19:38,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-17 00:19:38,124 INFO L933 BasicCegarLoop]: 4870 mSDtfsCounter, 10258 mSDsluCounter, 9909 mSDsCounter, 0 mSdLazyCounter, 22869 mSolverCounterSat, 5750 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10694 SdHoareTripleChecker+Valid, 14779 SdHoareTripleChecker+Invalid, 28622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5750 IncrementalHoareTripleChecker+Valid, 22869 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.2s IncrementalHoareTripleChecker+Time [2021-11-17 00:19:38,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10694 Valid, 14779 Invalid, 28622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5750 Valid, 22869 Invalid, 3 Unknown, 0 Unchecked, 49.2s Time] [2021-11-17 00:19:38,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10063 states. [2021-11-17 00:19:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10063 to 7768. [2021-11-17 00:19:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 5569 states have (on average 1.395403124438858) internal successors, (7771), 5841 states have internal predecessors, (7771), 1769 states have call successors, (1769), 450 states have call predecessors, (1769), 429 states have return successors, (1808), 1610 states have call predecessors, (1808), 1681 states have call successors, (1808) [2021-11-17 00:19:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 11348 transitions. [2021-11-17 00:19:38,435 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 11348 transitions. Word has length 86 [2021-11-17 00:19:38,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:19:38,445 INFO L470 AbstractCegarLoop]: Abstraction has 7768 states and 11348 transitions. [2021-11-17 00:19:38,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-17 00:19:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 11348 transitions. [2021-11-17 00:19:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-17 00:19:38,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:19:38,452 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:19:38,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 00:19:38,452 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:19:38,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:19:38,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1933296549, now seen corresponding path program 1 times [2021-11-17 00:19:38,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:19:38,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026753827] [2021-11-17 00:19:38,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:19:38,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:19:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:19:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:19:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:19:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:19:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:19:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:19:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:19:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:19:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 00:19:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 00:19:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:19:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:19:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:19:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 00:19:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:19:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-17 00:19:38,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:19:38,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026753827] [2021-11-17 00:19:38,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026753827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:19:38,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:19:38,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 00:19:38,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375601903] [2021-11-17 00:19:38,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:19:38,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 00:19:38,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:19:38,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 00:19:38,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 00:19:38,975 INFO L87 Difference]: Start difference. First operand 7768 states and 11348 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 00:19:41,103 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:19:43,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:19:45,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:19:50,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:01,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:06,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:08,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:26,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:20:26,795 INFO L93 Difference]: Finished difference Result 17974 states and 26971 transitions. [2021-11-17 00:20:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 00:20:26,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 118 [2021-11-17 00:20:26,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:20:26,833 INFO L225 Difference]: With dead ends: 17974 [2021-11-17 00:20:26,833 INFO L226 Difference]: Without dead ends: 10223 [2021-11-17 00:20:26,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-17 00:20:26,855 INFO L933 BasicCegarLoop]: 4345 mSDtfsCounter, 9067 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 11788 mSolverCounterSat, 5369 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9548 SdHoareTripleChecker+Valid, 6315 SdHoareTripleChecker+Invalid, 17162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5369 IncrementalHoareTripleChecker+Valid, 11788 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2021-11-17 00:20:26,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9548 Valid, 6315 Invalid, 17162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5369 Valid, 11788 Invalid, 5 Unknown, 0 Unchecked, 46.8s Time] [2021-11-17 00:20:26,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10223 states. [2021-11-17 00:20:27,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10223 to 8074. [2021-11-17 00:20:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8074 states, 5794 states have (on average 1.395581636175354) internal successors, (8086), 6082 states have internal predecessors, (8086), 1821 states have call successors, (1821), 450 states have call predecessors, (1821), 458 states have return successors, (1970), 1685 states have call predecessors, (1970), 1733 states have call successors, (1970) [2021-11-17 00:20:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8074 states to 8074 states and 11877 transitions. [2021-11-17 00:20:27,257 INFO L78 Accepts]: Start accepts. Automaton has 8074 states and 11877 transitions. Word has length 118 [2021-11-17 00:20:27,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:20:27,257 INFO L470 AbstractCegarLoop]: Abstraction has 8074 states and 11877 transitions. [2021-11-17 00:20:27,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 00:20:27,257 INFO L276 IsEmpty]: Start isEmpty. Operand 8074 states and 11877 transitions. [2021-11-17 00:20:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-17 00:20:27,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:20:27,259 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:20:27,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 00:20:27,260 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:20:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:20:27,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1039810211, now seen corresponding path program 1 times [2021-11-17 00:20:27,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:20:27,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328841047] [2021-11-17 00:20:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:20:27,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:20:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:20:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:20:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:20:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:20:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:20:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:20:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:20:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:20:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 00:20:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 00:20:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:20:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 00:20:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:20:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 00:20:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:20:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-17 00:20:27,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:20:27,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328841047] [2021-11-17 00:20:27,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328841047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:20:27,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:20:27,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 00:20:27,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301776532] [2021-11-17 00:20:27,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:20:27,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 00:20:27,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:20:27,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 00:20:27,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 00:20:27,730 INFO L87 Difference]: Start difference. First operand 8074 states and 11877 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-17 00:20:29,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:31,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:34,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:47,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:51,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:53,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:20:55,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:21:13,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:21:13,388 INFO L93 Difference]: Finished difference Result 18294 states and 27514 transitions. [2021-11-17 00:21:13,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 00:21:13,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2021-11-17 00:21:13,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:21:13,419 INFO L225 Difference]: With dead ends: 18294 [2021-11-17 00:21:13,420 INFO L226 Difference]: Without dead ends: 10237 [2021-11-17 00:21:13,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-17 00:21:13,435 INFO L933 BasicCegarLoop]: 4434 mSDtfsCounter, 8646 mSDsluCounter, 2415 mSDsCounter, 0 mSdLazyCounter, 11978 mSolverCounterSat, 5274 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9037 SdHoareTripleChecker+Valid, 6849 SdHoareTripleChecker+Invalid, 17256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5274 IncrementalHoareTripleChecker+Valid, 11978 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2021-11-17 00:21:13,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9037 Valid, 6849 Invalid, 17256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5274 Valid, 11978 Invalid, 4 Unknown, 0 Unchecked, 44.6s Time] [2021-11-17 00:21:13,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. Killed by 15