./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa --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 a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:18:27,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:18:27,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:18:27,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:18:27,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:18:27,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:18:27,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:18:27,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:18:27,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:18:27,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:18:27,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:18:27,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:18:27,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:18:27,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:18:27,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:18:27,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:18:27,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:18:27,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:18:27,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:18:27,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:18:27,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:18:27,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:18:27,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:18:27,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:18:27,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:18:27,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:18:27,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:18:27,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:18:27,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:18:27,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:18:27,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:18:27,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:18:27,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:18:27,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:18:27,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:18:27,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:18:27,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:18:27,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:18:27,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:18:27,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:18:27,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:18:27,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:18:27,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:18:27,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:18:27,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:18:27,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:18:27,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:18:27,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:18:27,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:18:27,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:18:27,791 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:18:27,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:18:27,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:18:27,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:18:27,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:18:27,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:18:27,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:18:27,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:18:27,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:18:27,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:18:27,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:18:27,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:18:27,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:18:27,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:18:27,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:18:27,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:18:27,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:18:27,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:18:27,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:18:27,793 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:18:27,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:18:27,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:18:27,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:18:27,794 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a [2021-12-06 20:18:27,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:18:27,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:18:27,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:18:27,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:18:27,990 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:18:27,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-06 20:18:28,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/data/cce5e3c13/3a98d454036e44b696b4071b3317b48c/FLAGa4ce12491 [2021-12-06 20:18:28,749 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:18:28,749 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-06 20:18:28,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/data/cce5e3c13/3a98d454036e44b696b4071b3317b48c/FLAGa4ce12491 [2021-12-06 20:18:29,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/data/cce5e3c13/3a98d454036e44b696b4071b3317b48c [2021-12-06 20:18:29,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:18:29,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:18:29,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:18:29,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:18:29,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:18:29,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:18:29" (1/1) ... [2021-12-06 20:18:29,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223f73ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:29, skipping insertion in model container [2021-12-06 20:18:29,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:18:29" (1/1) ... [2021-12-06 20:18:29,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:18:29,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:18:33,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2021-12-06 20:18:33,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:18:33,979 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:18:34,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2021-12-06 20:18:34,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:18:34,871 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:18:34,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34 WrapperNode [2021-12-06 20:18:34,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:18:34,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:18:34,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:18:34,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:18:34,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:34,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,253 INFO L137 Inliner]: procedures = 678, calls = 7466, calls flagged for inlining = 299, calls inlined = 290, statements flattened = 15393 [2021-12-06 20:18:35,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:18:35,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:18:35,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:18:35,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:18:35,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:18:35,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:18:35,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:18:35,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:18:35,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (1/1) ... [2021-12-06 20:18:35,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:18:35,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:18:35,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:18:35,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e914fb2-d920-44e4-a926-871ae1d4009e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:18:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 20:18:35,868 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 20:18:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-06 20:18:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-06 20:18:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-06 20:18:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:18:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:18:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 20:18:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 20:18:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-06 20:18:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-06 20:18:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-06 20:18:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-06 20:18:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-06 20:18:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-06 20:18:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 20:18:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 20:18:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-06 20:18:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-06 20:18:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:18:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:18:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-12-06 20:18:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-12-06 20:18:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-06 20:18:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-06 20:18:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-06 20:18:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-06 20:18:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-06 20:18:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-06 20:18:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 20:18:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 20:18:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-12-06 20:18:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-12-06 20:18:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2021-12-06 20:18:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2021-12-06 20:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-06 20:18:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-06 20:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-06 20:18:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-06 20:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-12-06 20:18:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-12-06 20:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 20:18:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 20:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-06 20:18:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-06 20:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 20:18:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 20:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-06 20:18:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-06 20:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 20:18:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 20:18:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-06 20:18:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-06 20:18:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-12-06 20:18:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-12-06 20:18:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 20:18:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 20:18:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-06 20:18:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-06 20:18:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-12-06 20:18:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-12-06 20:18:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-06 20:18:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-06 20:18:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-12-06 20:18:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-12-06 20:18:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-06 20:18:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-06 20:18:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-12-06 20:18:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-12-06 20:18:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 20:18:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 20:18:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-06 20:18:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-06 20:18:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 20:18:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 20:18:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 20:18:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 20:18:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-12-06 20:18:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-12-06 20:18:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 20:18:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 20:18:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-12-06 20:18:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-12-06 20:18:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-06 20:18:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-06 20:18:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 20:18:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 20:18:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-06 20:18:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-06 20:18:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:18:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 20:18:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 20:18:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-12-06 20:18:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-12-06 20:18:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-06 20:18:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-06 20:18:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-06 20:18:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-06 20:18:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-12-06 20:18:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-12-06 20:18:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-06 20:18:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-06 20:18:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-06 20:18:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-06 20:18:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-06 20:18:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-06 20:18:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-06 20:18:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-06 20:18:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-06 20:18:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-06 20:18:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-06 20:18:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-12-06 20:18:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 20:18:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 20:18:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-06 20:18:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-06 20:18:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 20:18:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 20:18:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-12-06 20:18:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-12-06 20:18:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-06 20:18:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-06 20:18:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:18:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-12-06 20:18:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-12-06 20:18:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-06 20:18:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-06 20:18:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 20:18:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 20:18:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 20:18:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 20:18:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-12-06 20:18:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-12-06 20:18:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2021-12-06 20:18:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2021-12-06 20:18:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-06 20:18:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-06 20:18:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-06 20:18:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-06 20:18:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:18:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-06 20:18:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-06 20:18:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-12-06 20:18:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-12-06 20:18:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:18:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 20:18:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 20:18:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-06 20:18:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-06 20:18:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-06 20:18:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-06 20:18:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2021-12-06 20:18:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2021-12-06 20:18:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:18:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:18:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-06 20:18:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-06 20:18:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-12-06 20:18:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-12-06 20:18:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-06 20:18:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-06 20:18:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 20:18:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 20:18:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-06 20:18:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-06 20:18:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-06 20:18:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-06 20:18:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 20:18:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 20:18:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-06 20:18:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-06 20:18:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-06 20:18:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-06 20:18:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 20:18:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 20:18:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 20:18:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 20:18:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-12-06 20:18:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-12-06 20:18:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-06 20:18:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-06 20:18:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2021-12-06 20:18:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2021-12-06 20:18:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 20:18:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 20:18:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-12-06 20:18:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-12-06 20:18:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:18:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-06 20:18:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-06 20:18:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-06 20:18:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-06 20:18:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-06 20:18:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-06 20:18:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-06 20:18:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:18:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 20:18:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 20:18:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-12-06 20:18:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-12-06 20:18:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 20:18:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 20:18:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:18:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 20:18:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-06 20:18:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-06 20:18:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 20:18:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 20:18:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-06 20:18:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-06 20:18:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:18:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:18:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-12-06 20:18:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-12-06 20:18:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-12-06 20:18:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-12-06 20:18:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 20:18:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 20:18:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-12-06 20:18:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-12-06 20:18:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 20:18:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 20:18:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-06 20:18:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-06 20:18:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-12-06 20:18:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-12-06 20:18:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 20:18:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 20:18:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-06 20:18:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-06 20:18:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 20:18:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 20:18:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-06 20:18:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-06 20:18:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 20:18:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 20:18:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 20:18:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 20:18:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-12-06 20:18:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-12-06 20:18:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-06 20:18:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-06 20:18:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-06 20:18:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-06 20:18:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-12-06 20:18:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-12-06 20:18:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 20:18:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 20:18:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 20:18:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 20:18:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2021-12-06 20:18:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2021-12-06 20:18:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-12-06 20:18:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-12-06 20:18:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:18:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:18:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-06 20:18:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-06 20:18:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-06 20:18:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-06 20:18:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-06 20:18:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-06 20:18:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-06 20:18:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-06 20:18:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 20:18:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 20:18:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-06 20:18:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-06 20:18:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:18:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:18:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:18:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:18:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-06 20:18:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-06 20:18:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 20:18:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 20:18:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 20:18:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 20:18:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-06 20:18:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-06 20:18:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 20:18:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 20:18:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 20:18:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 20:18:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 20:18:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 20:18:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-06 20:18:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-06 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2021-12-06 20:18:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2021-12-06 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-12-06 20:18:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-12-06 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-06 20:18:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-06 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 20:18:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-12-06 20:18:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-12-06 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-12-06 20:18:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-12-06 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-06 20:18:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-06 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-06 20:18:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-06 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-06 20:18:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-06 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 20:18:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 20:18:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:18:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:18:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-06 20:18:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-06 20:18:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 20:18:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 20:18:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-06 20:18:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-06 20:18:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-06 20:18:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-06 20:18:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 20:18:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 20:18:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:18:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:18:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-06 20:18:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-06 20:18:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-12-06 20:18:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-12-06 20:18:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:18:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:18:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-06 20:18:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-06 20:18:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 20:18:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 20:18:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-12-06 20:18:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-12-06 20:18:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-12-06 20:18:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-12-06 20:18:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 20:18:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 20:18:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-06 20:18:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-06 20:18:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 20:18:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 20:18:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-12-06 20:18:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-12-06 20:18:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:18:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 20:18:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 20:18:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-12-06 20:18:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-12-06 20:18:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 20:18:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 20:18:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-12-06 20:18:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-12-06 20:18:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 20:18:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 20:18:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-12-06 20:18:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-12-06 20:18:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-12-06 20:18:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-12-06 20:18:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2021-12-06 20:18:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2021-12-06 20:18:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:18:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-06 20:18:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-06 20:18:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-12-06 20:18:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-12-06 20:18:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-06 20:18:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-06 20:18:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-06 20:18:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-06 20:18:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-06 20:18:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-06 20:18:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-06 20:18:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-06 20:18:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:18:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2021-12-06 20:18:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2021-12-06 20:18:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-12-06 20:18:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-12-06 20:18:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-06 20:18:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-06 20:18:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 20:18:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 20:18:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-06 20:18:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-06 20:18:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 20:18:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 20:18:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 20:18:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 20:18:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 20:18:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 20:18:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-06 20:18:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-06 20:18:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-12-06 20:18:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-12-06 20:18:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-06 20:18:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-06 20:18:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-06 20:18:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-06 20:18:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-12-06 20:18:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-12-06 20:18:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-06 20:18:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-06 20:18:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 20:18:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 20:18:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 20:18:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 20:18:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-06 20:18:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-06 20:18:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 20:18:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 20:18:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-12-06 20:18:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-12-06 20:18:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-06 20:18:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-06 20:18:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 20:18:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 20:18:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-06 20:18:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-06 20:18:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-06 20:18:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-06 20:18:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 20:18:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 20:18:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-12-06 20:18:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-12-06 20:18:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-12-06 20:18:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-12-06 20:18:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:18:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-06 20:18:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-06 20:18:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-06 20:18:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-06 20:18:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:18:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:18:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-12-06 20:18:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-12-06 20:18:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-12-06 20:18:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-12-06 20:18:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-06 20:18:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-06 20:18:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 20:18:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 20:18:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 20:18:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 20:18:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-06 20:18:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-06 20:18:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-06 20:18:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-06 20:18:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 20:18:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 20:18:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-06 20:18:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-06 20:18:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-12-06 20:18:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-12-06 20:18:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 20:18:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 20:18:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-06 20:18:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-06 20:18:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-12-06 20:18:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-12-06 20:18:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-06 20:18:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-06 20:18:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-06 20:18:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-06 20:18:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-06 20:18:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-06 20:18:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 20:18:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 20:18:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 20:18:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 20:18:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2021-12-06 20:18:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2021-12-06 20:18:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-12-06 20:18:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-12-06 20:18:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-12-06 20:18:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-12-06 20:18:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2021-12-06 20:18:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2021-12-06 20:18:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-06 20:18:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-06 20:18:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-12-06 20:18:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-12-06 20:18:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-06 20:18:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-06 20:18:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 20:18:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 20:18:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-12-06 20:18:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-12-06 20:18:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 20:18:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 20:18:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-06 20:18:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-06 20:18:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-12-06 20:18:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-12-06 20:18:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-12-06 20:18:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-12-06 20:18:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-06 20:18:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-06 20:18:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 20:18:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 20:18:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 20:18:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 20:18:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2021-12-06 20:18:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2021-12-06 20:18:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:18:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-06 20:18:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-06 20:18:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-06 20:18:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-06 20:18:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-12-06 20:18:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-12-06 20:18:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-06 20:18:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-06 20:18:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-06 20:18:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-06 20:18:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-12-06 20:18:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-12-06 20:18:36,800 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:18:36,805 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:18:36,878 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:18:56,774 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:18:56,808 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:18:56,809 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 20:18:56,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:18:56 BoogieIcfgContainer [2021-12-06 20:18:56,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:18:56,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:18:56,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:18:56,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:18:56,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:18:29" (1/3) ... [2021-12-06 20:18:56,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a8b1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:18:56, skipping insertion in model container [2021-12-06 20:18:56,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:18:34" (2/3) ... [2021-12-06 20:18:56,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a8b1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:18:56, skipping insertion in model container [2021-12-06 20:18:56,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:18:56" (3/3) ... [2021-12-06 20:18:56,820 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-06 20:18:56,823 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:18:56,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:18:56,870 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:18:56,875 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:18:56,875 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:18:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 5297 states, 3755 states have (on average 1.3824234354194407) internal successors, (5191), 3842 states have internal predecessors, (5191), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) [2021-12-06 20:18:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 20:18:56,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:56,987 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:56,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:18:56,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:56,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1458872952, now seen corresponding path program 1 times [2021-12-06 20:18:56,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:56,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942972737] [2021-12-06 20:18:56,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:57,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:18:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:18:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:18:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:18:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:18:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:18:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:18:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:18:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:18:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:18:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:18:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:18:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:18:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:18:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:18:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-06 20:18:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 20:18:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-06 20:18:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-12-06 20:18:58,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:58,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942972737] [2021-12-06 20:18:58,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942972737] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:18:58,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:18:58,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:18:58,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155705465] [2021-12-06 20:18:58,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:18:58,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:18:58,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:58,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:18:58,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:18:58,369 INFO L87 Difference]: Start difference. First operand has 5297 states, 3755 states have (on average 1.3824234354194407) internal successors, (5191), 3842 states have internal predecessors, (5191), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 20:19:07,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:10,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:12,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:14,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:16,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:22,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:24,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:26,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:19:26,612 INFO L93 Difference]: Finished difference Result 11667 states and 17586 transitions. [2021-12-06 20:19:26,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:19:26,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 233 [2021-12-06 20:19:26,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:19:26,667 INFO L225 Difference]: With dead ends: 11667 [2021-12-06 20:19:26,667 INFO L226 Difference]: Without dead ends: 6338 [2021-12-06 20:19:26,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:19:26,698 INFO L933 BasicCegarLoop]: 7227 mSDtfsCounter, 8100 mSDsluCounter, 3481 mSDsCounter, 0 mSdLazyCounter, 3212 mSolverCounterSat, 7583 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8526 SdHoareTripleChecker+Valid, 10708 SdHoareTripleChecker+Invalid, 10800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7583 IncrementalHoareTripleChecker+Valid, 3212 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:19:26,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8526 Valid, 10708 Invalid, 10800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7583 Valid, 3212 Invalid, 5 Unknown, 0 Unchecked, 27.5s Time] [2021-12-06 20:19:26,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2021-12-06 20:19:26,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 5261. [2021-12-06 20:19:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5261 states, 3737 states have (on average 1.3767728124163767) internal successors, (5145), 3806 states have internal predecessors, (5145), 1276 states have call successors, (1276), 248 states have call predecessors, (1276), 247 states have return successors, (1274), 1260 states have call predecessors, (1274), 1274 states have call successors, (1274) [2021-12-06 20:19:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7695 transitions. [2021-12-06 20:19:27,020 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7695 transitions. Word has length 233 [2021-12-06 20:19:27,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:19:27,021 INFO L470 AbstractCegarLoop]: Abstraction has 5261 states and 7695 transitions. [2021-12-06 20:19:27,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 20:19:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7695 transitions. [2021-12-06 20:19:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-06 20:19:27,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:19:27,035 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:19:27,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:19:27,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:19:27,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:19:27,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1885564374, now seen corresponding path program 1 times [2021-12-06 20:19:27,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:19:27,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544928314] [2021-12-06 20:19:27,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:19:27,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:19:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:19:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:19:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:19:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:19:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:19:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:19:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:19:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:19:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:19:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:19:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:19:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:19:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:19:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:19:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:19:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-06 20:19:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-06 20:19:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-06 20:19:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-06 20:19:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-06 20:19:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 20:19:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-12-06 20:19:27,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:19:27,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544928314] [2021-12-06 20:19:27,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544928314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:19:27,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:19:27,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:19:27,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152946348] [2021-12-06 20:19:27,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:19:27,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:19:27,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:19:27,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:19:27,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:19:27,969 INFO L87 Difference]: Start difference. First operand 5261 states and 7695 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 20:19:43,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:45,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:47,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:50,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:52,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:55,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:56,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:58,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:19:59,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:12,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:14,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:16,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:22,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:25,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:28,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:34,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:36,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:20:39,946 INFO L93 Difference]: Finished difference Result 17705 states and 26642 transitions. [2021-12-06 20:20:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:20:39,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 260 [2021-12-06 20:20:39,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:20:40,023 INFO L225 Difference]: With dead ends: 17705 [2021-12-06 20:20:40,023 INFO L226 Difference]: Without dead ends: 12477 [2021-12-06 20:20:40,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:20:40,044 INFO L933 BasicCegarLoop]: 8115 mSDtfsCounter, 18565 mSDsluCounter, 15576 mSDsCounter, 0 mSdLazyCounter, 12624 mSolverCounterSat, 12156 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19695 SdHoareTripleChecker+Valid, 23691 SdHoareTripleChecker+Invalid, 24792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12156 IncrementalHoareTripleChecker+Valid, 12624 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:20:40,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19695 Valid, 23691 Invalid, 24792 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12156 Valid, 12624 Invalid, 12 Unknown, 0 Unchecked, 70.8s Time] [2021-12-06 20:20:40,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12477 states. [2021-12-06 20:20:40,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12477 to 10345. [2021-12-06 20:20:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10345 states, 7363 states have (on average 1.3781067499660464) internal successors, (10147), 7499 states have internal predecessors, (10147), 2491 states have call successors, (2491), 491 states have call predecessors, (2491), 490 states have return successors, (2491), 2460 states have call predecessors, (2491), 2489 states have call successors, (2491) [2021-12-06 20:20:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10345 states to 10345 states and 15129 transitions. [2021-12-06 20:20:40,535 INFO L78 Accepts]: Start accepts. Automaton has 10345 states and 15129 transitions. Word has length 260 [2021-12-06 20:20:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:20:40,536 INFO L470 AbstractCegarLoop]: Abstraction has 10345 states and 15129 transitions. [2021-12-06 20:20:40,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 20:20:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 10345 states and 15129 transitions. [2021-12-06 20:20:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 20:20:40,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:20:40,547 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:20:40,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:20:40,547 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:20:40,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:20:40,548 INFO L85 PathProgramCache]: Analyzing trace with hash -197810366, now seen corresponding path program 1 times [2021-12-06 20:20:40,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:20:40,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121413006] [2021-12-06 20:20:40,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:20:40,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:20:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:20:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:20:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:20:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:20:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:20:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:20:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:20:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:20:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:20:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:20:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:20:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:20:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:20:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:20:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:20:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-06 20:20:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 20:20:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-06 20:20:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-12-06 20:20:41,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:20:41,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121413006] [2021-12-06 20:20:41,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121413006] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:20:41,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:20:41,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:20:41,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4066668] [2021-12-06 20:20:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:20:41,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:20:41,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:20:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:20:41,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:20:41,387 INFO L87 Difference]: Start difference. First operand 10345 states and 15129 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 20:20:57,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:59,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:01,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:03,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:04,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:06,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:15,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:18,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:21,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:24,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:21:24,911 INFO L93 Difference]: Finished difference Result 34492 states and 51863 transitions. [2021-12-06 20:21:24,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:21:24,913 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 233 [2021-12-06 20:21:24,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:21:25,032 INFO L225 Difference]: With dead ends: 34492 [2021-12-06 20:21:25,032 INFO L226 Difference]: Without dead ends: 24180 [2021-12-06 20:21:25,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:21:25,072 INFO L933 BasicCegarLoop]: 9167 mSDtfsCounter, 20674 mSDsluCounter, 9865 mSDsCounter, 0 mSdLazyCounter, 7486 mSolverCounterSat, 15146 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21778 SdHoareTripleChecker+Valid, 19032 SdHoareTripleChecker+Invalid, 22638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15146 IncrementalHoareTripleChecker+Valid, 7486 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:21:25,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21778 Valid, 19032 Invalid, 22638 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15146 Valid, 7486 Invalid, 6 Unknown, 0 Unchecked, 42.1s Time] [2021-12-06 20:21:25,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24180 states. [2021-12-06 20:21:25,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24180 to 20009. [2021-12-06 20:21:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20009 states, 14240 states have (on average 1.3776685393258428) internal successors, (19618), 14521 states have internal predecessors, (19618), 4806 states have call successors, (4806), 965 states have call predecessors, (4806), 962 states have return successors, (4810), 4734 states have call predecessors, (4810), 4804 states have call successors, (4810) [2021-12-06 20:21:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20009 states to 20009 states and 29234 transitions. [2021-12-06 20:21:25,971 INFO L78 Accepts]: Start accepts. Automaton has 20009 states and 29234 transitions. Word has length 233 [2021-12-06 20:21:25,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:21:25,971 INFO L470 AbstractCegarLoop]: Abstraction has 20009 states and 29234 transitions. [2021-12-06 20:21:25,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 20:21:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 20009 states and 29234 transitions. [2021-12-06 20:21:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-06 20:21:25,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:21:25,987 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:21:25,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:21:25,987 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:21:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:21:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1692870570, now seen corresponding path program 1 times [2021-12-06 20:21:25,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:21:25,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356906257] [2021-12-06 20:21:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:21:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:21:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:21:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:21:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:21:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:21:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:21:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:21:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:21:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:21:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:21:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:21:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:21:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:21:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:21:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:21:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:21:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 20:21:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 20:21:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:21:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-06 20:21:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-06 20:21:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-06 20:21:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 20:21:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-06 20:21:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 20:21:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-06 20:21:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:21:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 20:21:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 20:21:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 20:21:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 20:21:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-06 20:21:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:21:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-12-06 20:21:26,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:21:26,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356906257] [2021-12-06 20:21:26,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356906257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:21:26,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:21:26,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:21:26,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345160126] [2021-12-06 20:21:26,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:21:26,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:21:26,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:21:26,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:21:26,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:21:26,819 INFO L87 Difference]: Start difference. First operand 20009 states and 29234 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 20:21:44,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:48,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:50,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:51,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:53,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:21:55,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:00,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:05,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:15,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:17,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:20,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:22,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:25,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:28,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:33,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:22:33,979 INFO L93 Difference]: Finished difference Result 72055 states and 108962 transitions. [2021-12-06 20:22:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:22:33,980 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 297 [2021-12-06 20:22:33,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:22:34,248 INFO L225 Difference]: With dead ends: 72055 [2021-12-06 20:22:34,249 INFO L226 Difference]: Without dead ends: 52079 [2021-12-06 20:22:34,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:22:34,301 INFO L933 BasicCegarLoop]: 10899 mSDtfsCounter, 18445 mSDsluCounter, 16761 mSDsCounter, 0 mSdLazyCounter, 12524 mSolverCounterSat, 12478 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19557 SdHoareTripleChecker+Valid, 27660 SdHoareTripleChecker+Invalid, 25011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12478 IncrementalHoareTripleChecker+Valid, 12524 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:22:34,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19557 Valid, 27660 Invalid, 25011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12478 Valid, 12524 Invalid, 9 Unknown, 0 Unchecked, 64.8s Time] [2021-12-06 20:22:34,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52079 states. [2021-12-06 20:22:35,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52079 to 39587. [2021-12-06 20:22:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39587 states, 28262 states have (on average 1.3790248390064397) internal successors, (38974), 28833 states have internal predecessors, (38974), 9380 states have call successors, (9380), 1843 states have call predecessors, (9380), 1944 states have return successors, (9916), 9322 states have call predecessors, (9916), 9378 states have call successors, (9916) [2021-12-06 20:22:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39587 states to 39587 states and 58270 transitions. [2021-12-06 20:22:36,081 INFO L78 Accepts]: Start accepts. Automaton has 39587 states and 58270 transitions. Word has length 297 [2021-12-06 20:22:36,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:22:36,082 INFO L470 AbstractCegarLoop]: Abstraction has 39587 states and 58270 transitions. [2021-12-06 20:22:36,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 20:22:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 39587 states and 58270 transitions. [2021-12-06 20:22:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-06 20:22:36,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:22:36,111 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:22:36,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:22:36,111 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:22:36,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:22:36,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1078320784, now seen corresponding path program 1 times [2021-12-06 20:22:36,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:22:36,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066149092] [2021-12-06 20:22:36,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:22:36,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:22:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:22:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:22:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:22:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:22:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:22:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:22:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:22:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:22:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:22:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:22:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:22:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:22:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:22:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:22:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:22:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 20:22:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:22:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-06 20:22:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-06 20:22:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 20:22:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:22:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 20:22:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:22:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 20:22:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:22:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 20:22:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:22:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-06 20:22:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 20:22:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-06 20:22:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-06 20:22:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-06 20:22:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:22:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 20:22:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2021-12-06 20:22:36,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:22:36,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066149092] [2021-12-06 20:22:36,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066149092] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:22:36,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:22:36,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:22:36,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566036384] [2021-12-06 20:22:36,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:22:36,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:22:36,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:22:36,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:22:36,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:22:36,826 INFO L87 Difference]: Start difference. First operand 39587 states and 58270 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-06 20:22:49,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:56,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:22:59,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:02,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:09,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:15,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:23:15,572 INFO L93 Difference]: Finished difference Result 103725 states and 155710 transitions. [2021-12-06 20:23:15,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:23:15,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 335 [2021-12-06 20:23:15,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:23:15,840 INFO L225 Difference]: With dead ends: 103725 [2021-12-06 20:23:15,840 INFO L226 Difference]: Without dead ends: 64171 [2021-12-06 20:23:15,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:23:15,954 INFO L933 BasicCegarLoop]: 7510 mSDtfsCounter, 19401 mSDsluCounter, 8799 mSDsCounter, 0 mSdLazyCounter, 7801 mSolverCounterSat, 11385 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20432 SdHoareTripleChecker+Valid, 16309 SdHoareTripleChecker+Invalid, 19191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11385 IncrementalHoareTripleChecker+Valid, 7801 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:23:15,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20432 Valid, 16309 Invalid, 19191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11385 Valid, 7801 Invalid, 5 Unknown, 0 Unchecked, 35.8s Time] [2021-12-06 20:23:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64171 states. [2021-12-06 20:23:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64171 to 47876. [2021-12-06 20:23:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47876 states, 34220 states have (on average 1.3737580362361193) internal successors, (47010), 34905 states have internal predecessors, (47010), 11181 states have call successors, (11181), 2372 states have call predecessors, (11181), 2474 states have return successors, (11507), 11103 states have call predecessors, (11507), 11179 states have call successors, (11507) [2021-12-06 20:23:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47876 states to 47876 states and 69698 transitions. [2021-12-06 20:23:18,128 INFO L78 Accepts]: Start accepts. Automaton has 47876 states and 69698 transitions. Word has length 335 [2021-12-06 20:23:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:23:18,129 INFO L470 AbstractCegarLoop]: Abstraction has 47876 states and 69698 transitions. [2021-12-06 20:23:18,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-06 20:23:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 47876 states and 69698 transitions. [2021-12-06 20:23:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-12-06 20:23:18,157 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:23:18,157 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:23:18,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:23:18,157 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:23:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:23:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1816299597, now seen corresponding path program 1 times [2021-12-06 20:23:18,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:23:18,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431414915] [2021-12-06 20:23:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:18,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:23:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:23:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:23:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:23:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:23:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:23:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:23:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:23:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:23:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:23:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:23:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:23:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:23:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 20:23:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 20:23:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 20:23:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 20:23:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:23:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:23:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:23:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 20:23:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:23:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-06 20:23:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-06 20:23:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-06 20:23:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 20:23:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-06 20:23:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-06 20:23:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2021-12-06 20:23:19,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:23:19,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431414915] [2021-12-06 20:23:19,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431414915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:23:19,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:23:19,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:23:19,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023412612] [2021-12-06 20:23:19,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:23:19,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:23:19,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:23:19,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:23:19,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:23:19,136 INFO L87 Difference]: Start difference. First operand 47876 states and 69698 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 20:23:44,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:47,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:49,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:50,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:56,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:58,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:59,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:05,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:07,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:10,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:17,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:20,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:27,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:27,624 INFO L93 Difference]: Finished difference Result 139595 states and 209782 transitions. [2021-12-06 20:24:27,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 20:24:27,625 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 404 [2021-12-06 20:24:27,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:27,996 INFO L225 Difference]: With dead ends: 139595 [2021-12-06 20:24:27,996 INFO L226 Difference]: Without dead ends: 91752 [2021-12-06 20:24:28,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:24:28,124 INFO L933 BasicCegarLoop]: 14127 mSDtfsCounter, 13687 mSDsluCounter, 18513 mSDsCounter, 0 mSdLazyCounter, 13585 mSolverCounterSat, 8260 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15243 SdHoareTripleChecker+Valid, 32640 SdHoareTripleChecker+Invalid, 21851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8260 IncrementalHoareTripleChecker+Valid, 13585 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:28,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15243 Valid, 32640 Invalid, 21851 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8260 Valid, 13585 Invalid, 6 Unknown, 0 Unchecked, 64.0s Time] [2021-12-06 20:24:28,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91752 states. [2021-12-06 20:24:30,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91752 to 67019. [2021-12-06 20:24:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67019 states, 47863 states have (on average 1.374903370035309) internal successors, (65807), 48810 states have internal predecessors, (65807), 15754 states have call successors, (15754), 3300 states have call predecessors, (15754), 3401 states have return successors, (16092), 15613 states have call predecessors, (16092), 15752 states have call successors, (16092) [2021-12-06 20:24:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67019 states to 67019 states and 97653 transitions. [2021-12-06 20:24:31,380 INFO L78 Accepts]: Start accepts. Automaton has 67019 states and 97653 transitions. Word has length 404 [2021-12-06 20:24:31,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:31,380 INFO L470 AbstractCegarLoop]: Abstraction has 67019 states and 97653 transitions. [2021-12-06 20:24:31,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 20:24:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 67019 states and 97653 transitions. [2021-12-06 20:24:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-12-06 20:24:31,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:31,404 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:31,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:24:31,404 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:24:31,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:31,405 INFO L85 PathProgramCache]: Analyzing trace with hash 414347024, now seen corresponding path program 1 times [2021-12-06 20:24:31,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:31,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688517571] [2021-12-06 20:24:31,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:31,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:24:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:24:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:24:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:24:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:24:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:24:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:24:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:24:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:24:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:24:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:24:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:24:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-06 20:24:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 20:24:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 20:24:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-06 20:24:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-06 20:24:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-06 20:24:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-06 20:24:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:24:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-06 20:24:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:24:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 20:24:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 20:24:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 20:24:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 20:24:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-06 20:24:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 20:24:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 20:24:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-06 20:24:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-06 20:24:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-06 20:24:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-06 20:24:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:24:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 20:24:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 20:24:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:24:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 20:24:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:32,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2021-12-06 20:24:32,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:32,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688517571] [2021-12-06 20:24:32,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688517571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:32,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:32,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:24:32,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989903880] [2021-12-06 20:24:32,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:32,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:24:32,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:32,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:24:32,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:24:32,382 INFO L87 Difference]: Start difference. First operand 67019 states and 97653 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-06 20:25:02,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:04,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:06,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:08,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:10,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:13,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:14,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:16,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:18,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:20,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:22,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:24,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:26,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:29,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:31,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:33,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:34,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:35,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:50,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:52,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:55,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:26:03,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:26:03,021 INFO L93 Difference]: Finished difference Result 214059 states and 318846 transitions. [2021-12-06 20:26:03,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:26:03,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 475 [2021-12-06 20:26:03,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:26:03,714 INFO L225 Difference]: With dead ends: 214059 [2021-12-06 20:26:03,714 INFO L226 Difference]: Without dead ends: 147073 [2021-12-06 20:26:03,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:26:03,901 INFO L933 BasicCegarLoop]: 10607 mSDtfsCounter, 10452 mSDsluCounter, 14094 mSDsCounter, 0 mSdLazyCounter, 12108 mSolverCounterSat, 4693 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11479 SdHoareTripleChecker+Valid, 24701 SdHoareTripleChecker+Invalid, 16814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4693 IncrementalHoareTripleChecker+Valid, 12108 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:26:03,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11479 Valid, 24701 Invalid, 16814 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4693 Valid, 12108 Invalid, 13 Unknown, 0 Unchecked, 83.7s Time] [2021-12-06 20:26:03,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147073 states. [2021-12-06 20:26:08,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147073 to 121774. [2021-12-06 20:26:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121774 states, 86975 states have (on average 1.3736935901121012) internal successors, (119477), 88628 states have internal predecessors, (119477), 28410 states have call successors, (28410), 6186 states have call predecessors, (28410), 6388 states have return successors, (29064), 28212 states have call predecessors, (29064), 28408 states have call successors, (29064) [2021-12-06 20:26:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121774 states to 121774 states and 176951 transitions. [2021-12-06 20:26:09,603 INFO L78 Accepts]: Start accepts. Automaton has 121774 states and 176951 transitions. Word has length 475 [2021-12-06 20:26:09,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:26:09,604 INFO L470 AbstractCegarLoop]: Abstraction has 121774 states and 176951 transitions. [2021-12-06 20:26:09,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-06 20:26:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 121774 states and 176951 transitions. [2021-12-06 20:26:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-12-06 20:26:09,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:26:09,652 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:26:09,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:26:09,652 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:26:09,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:26:09,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1635240944, now seen corresponding path program 1 times [2021-12-06 20:26:09,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:26:09,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242816669] [2021-12-06 20:26:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:26:09,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:26:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:26:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:26:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:26:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:26:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:26:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:26:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:26:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:26:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:26:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:26:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:26:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:26:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 20:26:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 20:26:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 20:26:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 20:26:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:26:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:26:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:26:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 20:26:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:26:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 20:26:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-06 20:26:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-06 20:26:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:26:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-06 20:26:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:26:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-06 20:26:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-12-06 20:26:10,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:26:10,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242816669] [2021-12-06 20:26:10,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242816669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:26:10,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:26:10,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:26:10,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98316882] [2021-12-06 20:26:10,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:26:10,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:26:10,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:26:10,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:26:10,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:26:10,484 INFO L87 Difference]: Start difference. First operand 121774 states and 176951 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 20:26:41,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:26:43,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:26:45,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:26:47,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:26:54,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:26:56,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:00,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:11,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:13,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:16,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:18,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:21,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:23,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:27:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:27:34,523 INFO L93 Difference]: Finished difference Result 337536 states and 505997 transitions. [2021-12-06 20:27:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 20:27:34,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 427 [2021-12-06 20:27:34,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:27:35,688 INFO L225 Difference]: With dead ends: 337536 [2021-12-06 20:27:35,688 INFO L226 Difference]: Without dead ends: 215807 [2021-12-06 20:27:36,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:27:36,034 INFO L933 BasicCegarLoop]: 14158 mSDtfsCounter, 15482 mSDsluCounter, 18863 mSDsCounter, 0 mSdLazyCounter, 13232 mSolverCounterSat, 10693 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17039 SdHoareTripleChecker+Valid, 33021 SdHoareTripleChecker+Invalid, 23933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10693 IncrementalHoareTripleChecker+Valid, 13232 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:27:36,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17039 Valid, 33021 Invalid, 23933 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10693 Valid, 13232 Invalid, 8 Unknown, 0 Unchecked, 73.3s Time] [2021-12-06 20:27:36,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215807 states. [2021-12-06 20:27:43,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215807 to 156024. [2021-12-06 20:27:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156024 states, 111377 states have (on average 1.374242437846234) internal successors, (153059), 113474 states have internal predecessors, (153059), 36532 states have call successors, (36532), 7914 states have call predecessors, (36532), 8114 states have return successors, (37210), 36236 states have call predecessors, (37210), 36530 states have call successors, (37210) [2021-12-06 20:27:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156024 states to 156024 states and 226801 transitions. [2021-12-06 20:27:43,938 INFO L78 Accepts]: Start accepts. Automaton has 156024 states and 226801 transitions. Word has length 427 [2021-12-06 20:27:43,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:27:43,939 INFO L470 AbstractCegarLoop]: Abstraction has 156024 states and 226801 transitions. [2021-12-06 20:27:43,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 20:27:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 156024 states and 226801 transitions. [2021-12-06 20:27:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2021-12-06 20:27:44,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:27:44,011 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:27:44,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:27:44,012 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:27:44,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:27:44,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1505172371, now seen corresponding path program 1 times [2021-12-06 20:27:44,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:27:44,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347090677] [2021-12-06 20:27:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:27:44,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:27:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:27:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:27:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:27:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:27:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:27:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:27:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:27:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:27:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:27:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:27:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:27:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:27:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 20:27:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 20:27:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 20:27:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 20:27:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:27:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:27:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:27:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 20:27:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:27:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-06 20:27:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 20:27:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:27:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-06 20:27:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-06 20:27:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-06 20:27:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-06 20:27:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 20:27:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-06 20:27:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-06 20:27:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 20:27:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-06 20:27:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:27:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-06 20:27:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-06 20:27:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-06 20:27:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-06 20:27:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-06 20:27:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:27:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-12-06 20:27:44,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:27:44,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347090677] [2021-12-06 20:27:44,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347090677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:27:44,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:27:44,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:27:44,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11222684] [2021-12-06 20:27:44,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:27:44,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:27:44,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:27:44,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:27:44,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:27:44,802 INFO L87 Difference]: Start difference. First operand 156024 states and 226801 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 20:28:05,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:09,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:10,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:11,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:18,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:27,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:29,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:31,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:34,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:36,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:38,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:44,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:28:49,216 INFO L93 Difference]: Finished difference Result 384204 states and 577590 transitions. [2021-12-06 20:28:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:28:49,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 441 [2021-12-06 20:28:49,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:28:50,302 INFO L225 Difference]: With dead ends: 384204 [2021-12-06 20:28:50,302 INFO L226 Difference]: Without dead ends: 228225 [2021-12-06 20:28:50,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:28:50,807 INFO L933 BasicCegarLoop]: 8584 mSDtfsCounter, 8123 mSDsluCounter, 18152 mSDsCounter, 0 mSdLazyCounter, 10173 mSolverCounterSat, 6416 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8826 SdHoareTripleChecker+Valid, 26736 SdHoareTripleChecker+Invalid, 16598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6416 IncrementalHoareTripleChecker+Valid, 10173 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:28:50,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8826 Valid, 26736 Invalid, 16598 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6416 Valid, 10173 Invalid, 9 Unknown, 0 Unchecked, 53.7s Time] [2021-12-06 20:28:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228225 states. [2021-12-06 20:28:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228225 to 156040. [2021-12-06 20:28:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156040 states, 111393 states have (on average 1.3741886833104413) internal successors, (153075), 113490 states have internal predecessors, (153075), 36532 states have call successors, (36532), 7914 states have call predecessors, (36532), 8114 states have return successors, (37210), 36236 states have call predecessors, (37210), 36530 states have call successors, (37210) [2021-12-06 20:29:00,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156040 states to 156040 states and 226817 transitions. [2021-12-06 20:29:00,538 INFO L78 Accepts]: Start accepts. Automaton has 156040 states and 226817 transitions. Word has length 441 [2021-12-06 20:29:00,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:00,539 INFO L470 AbstractCegarLoop]: Abstraction has 156040 states and 226817 transitions. [2021-12-06 20:29:00,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 20:29:00,540 INFO L276 IsEmpty]: Start isEmpty. Operand 156040 states and 226817 transitions. [2021-12-06 20:29:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-12-06 20:29:00,632 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:00,633 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:00,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:29:00,633 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:29:00,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:00,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1481413088, now seen corresponding path program 1 times [2021-12-06 20:29:00,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:29:00,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492127812] [2021-12-06 20:29:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:00,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:29:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:29:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:29:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:29:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:29:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:29:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:29:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:29:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:29:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:29:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:29:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:29:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:29:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 20:29:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 20:29:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 20:29:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 20:29:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:29:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:29:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:29:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 20:29:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:29:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-06 20:29:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-06 20:29:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-06 20:29:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-06 20:29:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-06 20:29:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:29:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 20:29:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2021-12-06 20:29:01,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:29:01,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492127812] [2021-12-06 20:29:01,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492127812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:01,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:29:01,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 20:29:01,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446292680] [2021-12-06 20:29:01,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:01,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:29:01,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:29:01,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:29:01,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:29:01,694 INFO L87 Difference]: Start difference. First operand 156040 states and 226817 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 7 states have internal predecessors, (150), 3 states have call successors, (36), 7 states have call predecessors, (36), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 20:29:34,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:38,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:40,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:42,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:43,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:46,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:48,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:50,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:51,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:03,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:05,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:15,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:17,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:30:29,784 INFO L93 Difference]: Finished difference Result 372686 states and 561660 transitions. [2021-12-06 20:30:29,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:30:29,785 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 7 states have internal predecessors, (150), 3 states have call successors, (36), 7 states have call predecessors, (36), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 448 [2021-12-06 20:30:29,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:30:31,010 INFO L225 Difference]: With dead ends: 372686 [2021-12-06 20:30:31,010 INFO L226 Difference]: Without dead ends: 216691 [2021-12-06 20:30:31,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-12-06 20:30:31,534 INFO L933 BasicCegarLoop]: 7472 mSDtfsCounter, 5602 mSDsluCounter, 43722 mSDsCounter, 0 mSdLazyCounter, 23695 mSolverCounterSat, 4098 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6327 SdHoareTripleChecker+Valid, 51194 SdHoareTripleChecker+Invalid, 27798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4098 IncrementalHoareTripleChecker+Valid, 23695 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:30:31,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6327 Valid, 51194 Invalid, 27798 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4098 Valid, 23695 Invalid, 5 Unknown, 0 Unchecked, 75.7s Time] [2021-12-06 20:30:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216691 states. [2021-12-06 20:30:39,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216691 to 156920. [2021-12-06 20:30:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156920 states, 112033 states have (on average 1.3752644310158615) internal successors, (154075), 114130 states have internal predecessors, (154075), 36692 states have call successors, (36692), 7994 states have call predecessors, (36692), 8194 states have return successors, (37442), 36396 states have call predecessors, (37442), 36690 states have call successors, (37442) [2021-12-06 20:30:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156920 states to 156920 states and 228209 transitions. [2021-12-06 20:30:40,133 INFO L78 Accepts]: Start accepts. Automaton has 156920 states and 228209 transitions. Word has length 448 [2021-12-06 20:30:40,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:30:40,134 INFO L470 AbstractCegarLoop]: Abstraction has 156920 states and 228209 transitions. [2021-12-06 20:30:40,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 7 states have internal predecessors, (150), 3 states have call successors, (36), 7 states have call predecessors, (36), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 20:30:40,134 INFO L276 IsEmpty]: Start isEmpty. Operand 156920 states and 228209 transitions. [2021-12-06 20:30:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-12-06 20:30:40,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:30:40,217 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:30:40,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 20:30:40,217 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:30:40,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:30:40,218 INFO L85 PathProgramCache]: Analyzing trace with hash 788901847, now seen corresponding path program 1 times [2021-12-06 20:30:40,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:30:40,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871825404] [2021-12-06 20:30:40,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:40,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:30:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:30:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:30:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:30:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:30:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:30:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:30:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:30:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:30:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 20:30:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 20:30:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 20:30:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 20:30:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 20:30:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 20:30:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 20:30:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 20:30:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:30:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:30:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:30:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 20:30:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:30:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-06 20:30:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 20:30:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:30:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-06 20:30:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-06 20:30:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-06 20:30:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-06 20:30:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 20:30:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-06 20:30:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-06 20:30:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:30:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-06 20:30:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 20:30:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:30:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-06 20:30:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-06 20:30:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 20:30:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-06 20:30:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-06 20:30:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2021-12-06 20:30:41,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:30:41,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871825404] [2021-12-06 20:30:41,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871825404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:30:41,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:30:41,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:30:41,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500396287] [2021-12-06 20:30:41,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:30:41,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:30:41,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:30:41,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:30:41,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:30:41,098 INFO L87 Difference]: Start difference. First operand 156920 states and 228209 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-06 20:31:03,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:05,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []