./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:38:58,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:38:58,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:38:58,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:38:58,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:38:58,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:38:58,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:38:58,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:38:58,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:38:58,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:38:58,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:38:58,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:38:58,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:38:58,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:38:58,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:38:58,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:38:58,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:38:58,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:38:59,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:38:59,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:38:59,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:38:59,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:38:59,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:38:59,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:38:59,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:38:59,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:38:59,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:38:59,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:38:59,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:38:59,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:38:59,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:38:59,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:38:59,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:38:59,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:38:59,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:38:59,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:38:59,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:38:59,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:38:59,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:38:59,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:38:59,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:38:59,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:38:59,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:38:59,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:38:59,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:38:59,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:38:59,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:38:59,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:38:59,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:38:59,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:38:59,054 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:38:59,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:38:59,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:38:59,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:38:59,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:38:59,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:38:59,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:38:59,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:38:59,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:38:59,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:38:59,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:38:59,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:38:59,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:38:59,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:38:59,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:38:59,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:38:59,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:38:59,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:38:59,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:38:59,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:38:59,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:38:59,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:38:59,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:38:59,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2021-11-17 01:38:59,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:38:59,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:38:59,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:38:59,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:38:59,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:38:59,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-11-17 01:38:59,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d947095c9/6ef2f4771bd148e198cfe45c09890243/FLAG5c413def0 [2021-11-17 01:38:59,912 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:38:59,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-11-17 01:38:59,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d947095c9/6ef2f4771bd148e198cfe45c09890243/FLAG5c413def0 [2021-11-17 01:39:00,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d947095c9/6ef2f4771bd148e198cfe45c09890243 [2021-11-17 01:39:00,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:39:00,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:39:00,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:39:00,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:39:00,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:39:00,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:39:00" (1/1) ... [2021-11-17 01:39:00,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da84092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:00, skipping insertion in model container [2021-11-17 01:39:00,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:39:00" (1/1) ... [2021-11-17 01:39:00,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:39:00,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:39:00,586 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-11-17 01:39:00,586 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2021-11-17 01:39:00,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2021-11-17 01:39:01,668 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:39:01,733 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:39:01,785 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-11-17 01:39:01,787 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2021-11-17 01:39:01,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2021-11-17 01:39:02,005 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:39:02,114 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:39:02,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02 WrapperNode [2021-11-17 01:39:02,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:39:02,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:39:02,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:39:02,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:39:02,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,406 INFO L137 Inliner]: procedures = 349, calls = 4495, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 7940 [2021-11-17 01:39:02,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:39:02,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:39:02,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:39:02,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:39:02,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:39:02,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:39:02,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:39:02,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:39:02,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (1/1) ... [2021-11-17 01:39:02,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:39:02,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:39:02,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 01:39:02,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 01:39:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2021-11-17 01:39:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2021-11-17 01:39:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2021-11-17 01:39:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2021-11-17 01:39:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2021-11-17 01:39:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2021-11-17 01:39:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2021-11-17 01:39:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2021-11-17 01:39:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2021-11-17 01:39:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2021-11-17 01:39:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2021-11-17 01:39:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2021-11-17 01:39:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2021-11-17 01:39:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2021-11-17 01:39:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2021-11-17 01:39:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2021-11-17 01:39:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:39:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:39:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2021-11-17 01:39:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2021-11-17 01:39:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:39:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:39:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2021-11-17 01:39:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2021-11-17 01:39:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2021-11-17 01:39:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2021-11-17 01:39:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:39:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:39:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2021-11-17 01:39:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2021-11-17 01:39:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2021-11-17 01:39:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2021-11-17 01:39:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-11-17 01:39:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-11-17 01:39:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2021-11-17 01:39:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2021-11-17 01:39:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2021-11-17 01:39:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2021-11-17 01:39:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2021-11-17 01:39:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2021-11-17 01:39:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:39:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:39:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2021-11-17 01:39:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2021-11-17 01:39:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:39:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:39:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2021-11-17 01:39:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2021-11-17 01:39:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 01:39:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 01:39:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:39:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:39:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2021-11-17 01:39:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2021-11-17 01:39:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:39:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:39:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2021-11-17 01:39:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2021-11-17 01:39:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 01:39:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 01:39:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-11-17 01:39:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-11-17 01:39:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2021-11-17 01:39:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2021-11-17 01:39:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 01:39:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 01:39:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2021-11-17 01:39:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2021-11-17 01:39:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2021-11-17 01:39:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2021-11-17 01:39:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:39:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2021-11-17 01:39:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2021-11-17 01:39:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2021-11-17 01:39:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2021-11-17 01:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2021-11-17 01:39:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2021-11-17 01:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2021-11-17 01:39:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2021-11-17 01:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:39:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2021-11-17 01:39:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2021-11-17 01:39:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2021-11-17 01:39:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2021-11-17 01:39:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:39:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2021-11-17 01:39:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2021-11-17 01:39:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2021-11-17 01:39:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2021-11-17 01:39:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2021-11-17 01:39:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2021-11-17 01:39:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:39:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:39:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 01:39:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 01:39:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-17 01:39:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2021-11-17 01:39:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2021-11-17 01:39:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2021-11-17 01:39:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2021-11-17 01:39:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2021-11-17 01:39:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2021-11-17 01:39:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:39:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2021-11-17 01:39:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2021-11-17 01:39:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:39:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2021-11-17 01:39:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2021-11-17 01:39:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2021-11-17 01:39:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2021-11-17 01:39:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2021-11-17 01:39:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2021-11-17 01:39:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2021-11-17 01:39:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2021-11-17 01:39:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2021-11-17 01:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2021-11-17 01:39:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 01:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 01:39:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 01:39:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 01:39:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2021-11-17 01:39:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2021-11-17 01:39:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2021-11-17 01:39:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2021-11-17 01:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2021-11-17 01:39:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2021-11-17 01:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2021-11-17 01:39:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2021-11-17 01:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 01:39:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 01:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2021-11-17 01:39:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2021-11-17 01:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2021-11-17 01:39:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2021-11-17 01:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:39:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2021-11-17 01:39:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2021-11-17 01:39:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 01:39:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 01:39:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2021-11-17 01:39:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2021-11-17 01:39:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 01:39:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 01:39:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 01:39:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 01:39:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2021-11-17 01:39:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2021-11-17 01:39:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-11-17 01:39:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-11-17 01:39:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2021-11-17 01:39:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2021-11-17 01:39:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 01:39:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 01:39:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-11-17 01:39:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-11-17 01:39:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-11-17 01:39:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-11-17 01:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2021-11-17 01:39:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2021-11-17 01:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-17 01:39:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-17 01:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 01:39:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 01:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2021-11-17 01:39:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2021-11-17 01:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2021-11-17 01:39:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2021-11-17 01:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2021-11-17 01:39:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2021-11-17 01:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 01:39:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 01:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2021-11-17 01:39:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2021-11-17 01:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2021-11-17 01:39:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2021-11-17 01:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2021-11-17 01:39:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2021-11-17 01:39:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2021-11-17 01:39:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2021-11-17 01:39:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2021-11-17 01:39:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2021-11-17 01:39:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2021-11-17 01:39:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2021-11-17 01:39:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 01:39:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 01:39:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2021-11-17 01:39:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2021-11-17 01:39:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:39:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2021-11-17 01:39:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2021-11-17 01:39:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2021-11-17 01:39:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2021-11-17 01:39:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2021-11-17 01:39:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2021-11-17 01:39:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 01:39:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 01:39:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:39:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:39:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2021-11-17 01:39:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2021-11-17 01:39:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2021-11-17 01:39:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2021-11-17 01:39:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:39:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2021-11-17 01:39:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2021-11-17 01:39:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-11-17 01:39:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-11-17 01:39:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2021-11-17 01:39:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2021-11-17 01:39:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:39:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2021-11-17 01:39:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2021-11-17 01:39:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2021-11-17 01:39:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2021-11-17 01:39:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2021-11-17 01:39:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2021-11-17 01:39:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2021-11-17 01:39:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2021-11-17 01:39:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 01:39:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 01:39:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:39:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 01:39:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 01:39:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-11-17 01:39:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-11-17 01:39:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:39:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:39:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 01:39:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 01:39:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2021-11-17 01:39:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2021-11-17 01:39:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-11-17 01:39:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-11-17 01:39:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2021-11-17 01:39:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2021-11-17 01:39:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:39:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:39:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2021-11-17 01:39:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2021-11-17 01:39:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2021-11-17 01:39:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2021-11-17 01:39:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-11-17 01:39:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-11-17 01:39:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2021-11-17 01:39:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2021-11-17 01:39:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2021-11-17 01:39:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2021-11-17 01:39:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2021-11-17 01:39:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2021-11-17 01:39:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 01:39:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 01:39:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 01:39:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 01:39:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2021-11-17 01:39:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2021-11-17 01:39:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2021-11-17 01:39:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2021-11-17 01:39:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:39:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:39:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2021-11-17 01:39:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2021-11-17 01:39:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2021-11-17 01:39:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2021-11-17 01:39:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2021-11-17 01:39:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2021-11-17 01:39:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2021-11-17 01:39:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2021-11-17 01:39:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-11-17 01:39:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-11-17 01:39:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-11-17 01:39:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-11-17 01:39:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2021-11-17 01:39:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2021-11-17 01:39:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 01:39:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 01:39:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 01:39:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 01:39:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2021-11-17 01:39:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2021-11-17 01:39:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2021-11-17 01:39:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2021-11-17 01:39:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2021-11-17 01:39:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2021-11-17 01:39:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2021-11-17 01:39:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2021-11-17 01:39:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2021-11-17 01:39:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2021-11-17 01:39:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:39:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2021-11-17 01:39:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2021-11-17 01:39:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-17 01:39:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-17 01:39:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2021-11-17 01:39:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2021-11-17 01:39:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-11-17 01:39:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-11-17 01:39:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2021-11-17 01:39:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2021-11-17 01:39:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2021-11-17 01:39:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2021-11-17 01:39:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2021-11-17 01:39:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2021-11-17 01:39:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:39:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:39:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-17 01:39:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-17 01:39:03,589 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:39:03,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:39:04,141 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:39:22,944 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:39:22,966 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:39:22,967 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:39:22,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:39:22 BoogieIcfgContainer [2021-11-17 01:39:22,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:39:22,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:39:22,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:39:22,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:39:22,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:39:00" (1/3) ... [2021-11-17 01:39:22,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c4428d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:39:22, skipping insertion in model container [2021-11-17 01:39:22,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:39:02" (2/3) ... [2021-11-17 01:39:22,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c4428d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:39:22, skipping insertion in model container [2021-11-17 01:39:22,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:39:22" (3/3) ... [2021-11-17 01:39:22,980 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-11-17 01:39:22,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:39:22,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:39:23,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:39:23,045 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 01:39:23,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:39:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 2606 states, 1770 states have (on average 1.3644067796610169) internal successors, (2415), 1862 states have internal predecessors, (2415), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) [2021-11-17 01:39:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-17 01:39:23,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:39:23,142 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-17 01:39:23,143 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:39:23,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:39:23,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1178533725, now seen corresponding path program 1 times [2021-11-17 01:39:23,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:39:23,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855694627] [2021-11-17 01:39:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:39:23,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:39:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:39:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:39:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:39:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:39:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:39:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 01:39:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:39:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:39:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 01:39:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:39:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:39:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 01:39:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:39:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:39:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 01:39:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:39:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:39:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 01:39:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:39:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-17 01:39:24,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:39:24,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855694627] [2021-11-17 01:39:24,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855694627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:39:24,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:39:24,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:39:24,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281799141] [2021-11-17 01:39:24,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:39:24,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:39:24,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:39:24,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:39:24,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:39:24,096 INFO L87 Difference]: Start difference. First operand has 2606 states, 1770 states have (on average 1.3644067796610169) internal successors, (2415), 1862 states have internal predecessors, (2415), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 01:39:26,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:28,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:30,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:34,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:36,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:40,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:44,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:46,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:47,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:50,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:52,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:55,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:57,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:00,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:07,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:09,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:11,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:14,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:16,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:18,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:21,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:23,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:24,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:26,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:40:26,219 INFO L93 Difference]: Finished difference Result 8163 states and 12416 transitions. [2021-11-17 01:40:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:40:26,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 164 [2021-11-17 01:40:26,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:40:26,277 INFO L225 Difference]: With dead ends: 8163 [2021-11-17 01:40:26,278 INFO L226 Difference]: Without dead ends: 5507 [2021-11-17 01:40:26,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:40:26,297 INFO L933 BasicCegarLoop]: 4277 mSDtfsCounter, 4524 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 7263 mSolverCounterSat, 2132 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4957 SdHoareTripleChecker+Valid, 11877 SdHoareTripleChecker+Invalid, 9412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2132 IncrementalHoareTripleChecker+Valid, 7263 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:40:26,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4957 Valid, 11877 Invalid, 9412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2132 Valid, 7263 Invalid, 17 Unknown, 0 Unchecked, 61.2s Time] [2021-11-17 01:40:26,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5507 states. [2021-11-17 01:40:26,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5507 to 4374. [2021-11-17 01:40:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4374 states, 3010 states have (on average 1.3425249169435216) internal successors, (4041), 3144 states have internal predecessors, (4041), 1090 states have call successors, (1090), 271 states have call predecessors, (1090), 273 states have return successors, (1102), 1046 states have call predecessors, (1102), 1089 states have call successors, (1102) [2021-11-17 01:40:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 4374 states and 6233 transitions. [2021-11-17 01:40:26,606 INFO L78 Accepts]: Start accepts. Automaton has 4374 states and 6233 transitions. Word has length 164 [2021-11-17 01:40:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:40:26,607 INFO L470 AbstractCegarLoop]: Abstraction has 4374 states and 6233 transitions. [2021-11-17 01:40:26,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 01:40:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4374 states and 6233 transitions. [2021-11-17 01:40:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-17 01:40:26,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:40:26,628 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-17 01:40:26,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 01:40:26,628 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:40:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:40:26,629 INFO L85 PathProgramCache]: Analyzing trace with hash 370686232, now seen corresponding path program 1 times [2021-11-17 01:40:26,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:40:26,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520782261] [2021-11-17 01:40:26,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:40:26,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:40:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:40:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:40:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:40:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:40:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 01:40:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 01:40:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:40:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:40:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 01:40:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:40:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:40:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:40:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:40:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:40:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 01:40:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:40:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:40:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 01:40:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:40:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-17 01:40:27,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:40:27,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520782261] [2021-11-17 01:40:27,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520782261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:40:27,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:40:27,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:40:27,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18944601] [2021-11-17 01:40:27,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:40:27,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:40:27,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:40:27,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:40:27,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:40:27,451 INFO L87 Difference]: Start difference. First operand 4374 states and 6233 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 01:40:29,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:32,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:37,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:40,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:43,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:45,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:52,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:40:56,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:00,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:06,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:08,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:10,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:13,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:15,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:19,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:21,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:23,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:41:26,918 INFO L93 Difference]: Finished difference Result 12011 states and 19790 transitions. [2021-11-17 01:41:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 01:41:26,919 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 167 [2021-11-17 01:41:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:41:26,973 INFO L225 Difference]: With dead ends: 12011 [2021-11-17 01:41:26,973 INFO L226 Difference]: Without dead ends: 12008 [2021-11-17 01:41:26,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2021-11-17 01:41:26,977 INFO L933 BasicCegarLoop]: 5402 mSDtfsCounter, 13524 mSDsluCounter, 7948 mSDsCounter, 0 mSdLazyCounter, 12140 mSolverCounterSat, 11295 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14084 SdHoareTripleChecker+Valid, 13350 SdHoareTripleChecker+Invalid, 23449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11295 IncrementalHoareTripleChecker+Valid, 12140 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:41:26,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14084 Valid, 13350 Invalid, 23449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11295 Valid, 12140 Invalid, 14 Unknown, 0 Unchecked, 58.5s Time] [2021-11-17 01:41:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12008 states. [2021-11-17 01:41:27,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12008 to 9584. [2021-11-17 01:41:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9584 states, 6527 states have (on average 1.3350697104335836) internal successors, (8714), 6801 states have internal predecessors, (8714), 2419 states have call successors, (2419), 524 states have call predecessors, (2419), 637 states have return successors, (3488), 2446 states have call predecessors, (3488), 2418 states have call successors, (3488) [2021-11-17 01:41:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9584 states to 9584 states and 14621 transitions. [2021-11-17 01:41:27,456 INFO L78 Accepts]: Start accepts. Automaton has 9584 states and 14621 transitions. Word has length 167 [2021-11-17 01:41:27,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:41:27,457 INFO L470 AbstractCegarLoop]: Abstraction has 9584 states and 14621 transitions. [2021-11-17 01:41:27,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 01:41:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 9584 states and 14621 transitions. [2021-11-17 01:41:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-17 01:41:27,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:41:27,479 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2021-11-17 01:41:27,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:41:27,479 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:41:27,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:41:27,480 INFO L85 PathProgramCache]: Analyzing trace with hash -696347584, now seen corresponding path program 1 times [2021-11-17 01:41:27,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:41:27,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054664569] [2021-11-17 01:41:27,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:41:27,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:41:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:41:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:41:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:41:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 01:41:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 01:41:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:41:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 01:41:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:41:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:41:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:41:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 01:41:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 01:41:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:41:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:41:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:41:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 01:41:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 01:41:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:41:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:41:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 01:41:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:41:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-17 01:41:28,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:41:28,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054664569] [2021-11-17 01:41:28,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054664569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:41:28,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:41:28,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:41:28,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887692868] [2021-11-17 01:41:28,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:41:28,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:41:28,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:41:28,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:41:28,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:41:28,241 INFO L87 Difference]: Start difference. First operand 9584 states and 14621 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 01:41:30,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:36,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:38,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:41,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:44,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:46,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:48,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:50,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:53,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:55,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:41:57,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:03,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:07,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:09,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:11,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:13,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:15,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:17,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:20,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:22,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:25,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:26,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:42:28,457 INFO L93 Difference]: Finished difference Result 22067 states and 35950 transitions. [2021-11-17 01:42:28,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:42:28,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 231 [2021-11-17 01:42:28,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:42:28,535 INFO L225 Difference]: With dead ends: 22067 [2021-11-17 01:42:28,535 INFO L226 Difference]: Without dead ends: 12493 [2021-11-17 01:42:28,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-11-17 01:42:28,585 INFO L933 BasicCegarLoop]: 3916 mSDtfsCounter, 4733 mSDsluCounter, 10674 mSDsCounter, 0 mSdLazyCounter, 8157 mSolverCounterSat, 4527 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 14590 SdHoareTripleChecker+Invalid, 12704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4527 IncrementalHoareTripleChecker+Valid, 8157 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:42:28,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5038 Valid, 14590 Invalid, 12704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4527 Valid, 8157 Invalid, 20 Unknown, 0 Unchecked, 59.5s Time] [2021-11-17 01:42:28,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12493 states. [2021-11-17 01:42:29,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12493 to 9585. [2021-11-17 01:42:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9585 states, 6526 states have (on average 1.3351210542445602) internal successors, (8713), 6803 states have internal predecessors, (8713), 2419 states have call successors, (2419), 524 states have call predecessors, (2419), 639 states have return successors, (3486), 2445 states have call predecessors, (3486), 2418 states have call successors, (3486) [2021-11-17 01:42:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9585 states to 9585 states and 14618 transitions. [2021-11-17 01:42:29,169 INFO L78 Accepts]: Start accepts. Automaton has 9585 states and 14618 transitions. Word has length 231 [2021-11-17 01:42:29,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:42:29,169 INFO L470 AbstractCegarLoop]: Abstraction has 9585 states and 14618 transitions. [2021-11-17 01:42:29,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 01:42:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 9585 states and 14618 transitions. [2021-11-17 01:42:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-17 01:42:29,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:42:29,193 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:42:29,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 01:42:29,194 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:42:29,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:42:29,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1119495804, now seen corresponding path program 1 times [2021-11-17 01:42:29,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:42:29,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387525079] [2021-11-17 01:42:29,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:42:29,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:42:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:42:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:42:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:42:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:42:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 01:42:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 01:42:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 01:42:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:42:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:42:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:42:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 01:42:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:42:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 01:42:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 01:42:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:42:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:42:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:42:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 01:42:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 01:42:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:42:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:42:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 01:42:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:42:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-17 01:42:29,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:42:29,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387525079] [2021-11-17 01:42:29,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387525079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:42:29,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:42:29,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 01:42:29,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223802903] [2021-11-17 01:42:29,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:42:29,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 01:42:29,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:42:29,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 01:42:29,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:42:29,820 INFO L87 Difference]: Start difference. First operand 9585 states and 14618 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 01:42:31,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:33,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:36,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:40,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:42,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:45,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:47,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:48,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:50,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:53,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:55,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:57,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:42:59,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:01,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:09,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:11,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:14,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:18,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:21,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:23,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:25,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:27,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:29,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:32,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:36,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:38,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:40,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:42,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:44,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:46,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:48,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:50,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:53,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:55,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:57,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:43:59,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:01,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:06,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:08,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:10,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:12,853 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:14,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:16,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:18,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:21,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:24,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:44:24,433 INFO L93 Difference]: Finished difference Result 34576 states and 62818 transitions. [2021-11-17 01:44:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 01:44:24,433 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 262 [2021-11-17 01:44:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:44:24,620 INFO L225 Difference]: With dead ends: 34576 [2021-11-17 01:44:24,620 INFO L226 Difference]: Without dead ends: 25002 [2021-11-17 01:44:24,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2021-11-17 01:44:24,673 INFO L933 BasicCegarLoop]: 4903 mSDtfsCounter, 11513 mSDsluCounter, 16911 mSDsCounter, 0 mSdLazyCounter, 16655 mSolverCounterSat, 8331 mSolverCounterUnsat, 40 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12117 SdHoareTripleChecker+Valid, 21814 SdHoareTripleChecker+Invalid, 25026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8331 IncrementalHoareTripleChecker+Valid, 16655 IncrementalHoareTripleChecker+Invalid, 40 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:44:24,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12117 Valid, 21814 Invalid, 25026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8331 Valid, 16655 Invalid, 40 Unknown, 0 Unchecked, 112.9s Time] [2021-11-17 01:44:24,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25002 states. [2021-11-17 01:44:26,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25002 to 20964. [2021-11-17 01:44:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20964 states, 14245 states have (on average 1.329097929097929) internal successors, (18933), 14807 states have internal predecessors, (18933), 5268 states have call successors, (5268), 1051 states have call predecessors, (5268), 1450 states have return successors, (10775), 5516 states have call predecessors, (10775), 5267 states have call successors, (10775) [2021-11-17 01:44:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20964 states to 20964 states and 34976 transitions. [2021-11-17 01:44:26,343 INFO L78 Accepts]: Start accepts. Automaton has 20964 states and 34976 transitions. Word has length 262 [2021-11-17 01:44:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:44:26,343 INFO L470 AbstractCegarLoop]: Abstraction has 20964 states and 34976 transitions. [2021-11-17 01:44:26,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 01:44:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 20964 states and 34976 transitions. [2021-11-17 01:44:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-17 01:44:26,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:44:26,372 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:44:26,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 01:44:26,373 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:44:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:44:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2094381286, now seen corresponding path program 1 times [2021-11-17 01:44:26,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:44:26,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64814025] [2021-11-17 01:44:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:26,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:44:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:44:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:44:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:44:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:44:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 01:44:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 01:44:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:44:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:44:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:44:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:44:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:44:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:44:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:44:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 01:44:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 01:44:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:44:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:44:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:44:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 01:44:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 01:44:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:44:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:44:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 01:44:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2021-11-17 01:44:27,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:44:27,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64814025] [2021-11-17 01:44:27,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64814025] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:44:27,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166261742] [2021-11-17 01:44:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:44:27,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:44:27,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:44:27,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:44:27,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 01:44:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:44:29,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 7960 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-17 01:44:29,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:44:30,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-17 01:44:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-17 01:44:30,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:44:30,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166261742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:44:30,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:44:30,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-11-17 01:44:30,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65595353] [2021-11-17 01:44:30,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:44:30,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:44:30,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:44:30,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:44:30,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-17 01:44:30,094 INFO L87 Difference]: Start difference. First operand 20964 states and 34976 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:44:32,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:34,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:37,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:39,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:41,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:43,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:45,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:47,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:50,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:52,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:54,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:56,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:44:58,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:00,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:03,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:05,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:45:05,534 INFO L93 Difference]: Finished difference Result 41965 states and 71010 transitions. [2021-11-17 01:45:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:45:05,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 252 [2021-11-17 01:45:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:45:05,643 INFO L225 Difference]: With dead ends: 41965 [2021-11-17 01:45:05,643 INFO L226 Difference]: Without dead ends: 21012 [2021-11-17 01:45:05,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-17 01:45:05,740 INFO L933 BasicCegarLoop]: 3727 mSDtfsCounter, 1 mSDsluCounter, 10432 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 0 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14159 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:45:05,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 14159 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 758 Invalid, 13 Unknown, 0 Unchecked, 34.6s Time] [2021-11-17 01:45:05,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21012 states. [2021-11-17 01:45:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21012 to 20988. [2021-11-17 01:45:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20988 states, 14269 states have (on average 1.328824724928166) internal successors, (18961), 14831 states have internal predecessors, (18961), 5268 states have call successors, (5268), 1051 states have call predecessors, (5268), 1450 states have return successors, (10775), 5516 states have call predecessors, (10775), 5267 states have call successors, (10775) [2021-11-17 01:45:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20988 states to 20988 states and 35004 transitions. [2021-11-17 01:45:07,293 INFO L78 Accepts]: Start accepts. Automaton has 20988 states and 35004 transitions. Word has length 252 [2021-11-17 01:45:07,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:45:07,294 INFO L470 AbstractCegarLoop]: Abstraction has 20988 states and 35004 transitions. [2021-11-17 01:45:07,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:45:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 20988 states and 35004 transitions. [2021-11-17 01:45:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-17 01:45:07,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:45:07,322 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:45:07,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-17 01:45:07,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:45:07,535 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:45:07,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:45:07,536 INFO L85 PathProgramCache]: Analyzing trace with hash 266577550, now seen corresponding path program 1 times [2021-11-17 01:45:07,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:45:07,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728133665] [2021-11-17 01:45:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:45:07,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:45:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:45:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:45:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:45:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:45:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:45:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:45:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 01:45:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:45:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:45:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:45:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:45:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:45:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:45:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:45:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:45:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-17 01:45:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 01:45:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:45:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:45:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:45:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 01:45:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 01:45:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:45:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:45:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 01:45:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 01:45:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 01:45:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 01:45:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:45:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-17 01:45:08,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:45:08,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728133665] [2021-11-17 01:45:08,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728133665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:45:08,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:45:08,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 01:45:08,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135714893] [2021-11-17 01:45:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:45:08,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 01:45:08,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:45:08,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 01:45:08,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:45:08,229 INFO L87 Difference]: Start difference. First operand 20988 states and 35004 transitions. Second operand has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (33), 9 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-17 01:45:10,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:12,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:17,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:19,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:21,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:23,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:25,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:29,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:32,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:34,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:37,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:38,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:41,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:42,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:45,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:48,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:50,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:52,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:54,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:56,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:45:59,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:01,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:10,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:11,573 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:13,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:15,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:18,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:20,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:23,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:29,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:31,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:33,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:35,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:37,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:39,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:41,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:43,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:45,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:47,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:49,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:51,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:53,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:56,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:46:58,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:00,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:02,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:04,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:10,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:12,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:14,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:16,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:47:21,729 INFO L93 Difference]: Finished difference Result 71408 states and 144144 transitions. [2021-11-17 01:47:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-17 01:47:21,730 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (33), 9 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 312 [2021-11-17 01:47:21,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:47:22,213 INFO L225 Difference]: With dead ends: 71408 [2021-11-17 01:47:22,213 INFO L226 Difference]: Without dead ends: 50431 [2021-11-17 01:47:22,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2021-11-17 01:47:22,356 INFO L933 BasicCegarLoop]: 4861 mSDtfsCounter, 11544 mSDsluCounter, 17353 mSDsCounter, 0 mSdLazyCounter, 20549 mSolverCounterSat, 8484 mSolverCounterUnsat, 47 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12022 SdHoareTripleChecker+Valid, 22214 SdHoareTripleChecker+Invalid, 29080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8484 IncrementalHoareTripleChecker+Valid, 20549 IncrementalHoareTripleChecker+Invalid, 47 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:47:22,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12022 Valid, 22214 Invalid, 29080 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8484 Valid, 20549 Invalid, 47 Unknown, 0 Unchecked, 130.4s Time] [2021-11-17 01:47:22,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50431 states. [2021-11-17 01:47:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50431 to 41948. [2021-11-17 01:47:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41948 states, 28503 states have (on average 1.3285969897905483) internal successors, (37869), 29655 states have internal predecessors, (37869), 10536 states have call successors, (10536), 2105 states have call predecessors, (10536), 2908 states have return successors, (27181), 11008 states have call predecessors, (27181), 10535 states have call successors, (27181) [2021-11-17 01:47:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41948 states to 41948 states and 75586 transitions. [2021-11-17 01:47:25,425 INFO L78 Accepts]: Start accepts. Automaton has 41948 states and 75586 transitions. Word has length 312 [2021-11-17 01:47:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:47:25,425 INFO L470 AbstractCegarLoop]: Abstraction has 41948 states and 75586 transitions. [2021-11-17 01:47:25,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (33), 9 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-17 01:47:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 41948 states and 75586 transitions. [2021-11-17 01:47:25,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-17 01:47:25,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:47:25,696 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:47:25,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 01:47:25,696 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:47:25,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:47:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1385093446, now seen corresponding path program 1 times [2021-11-17 01:47:25,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:47:25,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154776418] [2021-11-17 01:47:25,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:25,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:47:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:47:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:47:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:47:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:47:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 01:47:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 01:47:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:47:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:47:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:47:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:47:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:47:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:47:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 01:47:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:47:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 01:47:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:47:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 01:47:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 01:47:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-17 01:47:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:47:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 01:47:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 01:47:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 01:47:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 01:47:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-17 01:47:26,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:47:26,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154776418] [2021-11-17 01:47:26,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154776418] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:47:26,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648912878] [2021-11-17 01:47:26,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:47:26,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:47:26,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:47:26,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:47:26,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 01:47:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:47:28,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 7866 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-17 01:47:28,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:47:28,765 INFO L354 Elim1Store]: treesize reduction 25, result has 45.7 percent of original size [2021-11-17 01:47:28,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2021-11-17 01:47:29,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 01:47:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 01:47:29,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 01:47:29,651 INFO L354 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2021-11-17 01:47:29,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 58 [2021-11-17 01:47:47,361 WARN L860 $PredicateComparison]: unable to prove that (exists ((activate_pending_timer_2_~data Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_activate_pending_timer_2_#in~timer.base| (store (select |c_old(#memory_int)| |c_activate_pending_timer_2_#in~timer.base|) (+ 40 |c_activate_pending_timer_2_#in~timer.offset|) activate_pending_timer_2_~data)))) is different from true [2021-11-17 01:47:47,383 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-11-17 01:47:47,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 36 [2021-11-17 01:47:50,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-17 01:47:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-17 01:47:50,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:47:53,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648912878] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:47:53,755 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 01:47:53,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 23] total 31 [2021-11-17 01:47:53,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805576855] [2021-11-17 01:47:53,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 01:47:53,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-17 01:47:53,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:47:53,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-17 01:47:53,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=831, Unknown=10, NotChecked=58, Total=992 [2021-11-17 01:47:53,757 INFO L87 Difference]: Start difference. First operand 41948 states and 75586 transitions. Second operand has 31 states, 29 states have (on average 9.206896551724139) internal successors, (267), 25 states have internal predecessors, (267), 11 states have call successors, (57), 11 states have call predecessors, (57), 11 states have return successors, (47), 13 states have call predecessors, (47), 11 states have call successors, (47) [2021-11-17 01:47:55,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:47:57,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:00,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:02,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:12,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:14,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:16,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:18,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:20,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:22,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:24,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:26,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:28,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:30,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:48:57,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:03,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:05,396 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:07,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:09,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:12,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:13,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:14,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:16,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:21,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:23,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:25,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:27,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:30,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:52,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:54,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:49:59,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:02,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:04,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:13,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:15,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:17,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:19,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:21,293 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:23,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:25,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:27,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:29,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:31,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:34,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:36,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:38,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:40,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:42,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:45,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:47,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:49,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:51,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:50:53,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:02,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:04,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:06,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:51:12,910 INFO L93 Difference]: Finished difference Result 96188 states and 186661 transitions. [2021-11-17 01:51:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-17 01:51:12,911 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 9.206896551724139) internal successors, (267), 25 states have internal predecessors, (267), 11 states have call successors, (57), 11 states have call predecessors, (57), 11 states have return successors, (47), 13 states have call predecessors, (47), 11 states have call successors, (47) Word has length 252 [2021-11-17 01:51:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:51:13,484 INFO L225 Difference]: With dead ends: 96188 [2021-11-17 01:51:13,484 INFO L226 Difference]: Without dead ends: 54250 [2021-11-17 01:51:13,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 307 SyntacticMatches, 9 SemanticMatches, 61 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 59.4s TimeCoverageRelationStatistics Valid=369, Invalid=3379, Unknown=38, NotChecked=120, Total=3906 [2021-11-17 01:51:13,796 INFO L933 BasicCegarLoop]: 3984 mSDtfsCounter, 3907 mSDsluCounter, 44607 mSDsCounter, 0 mSdLazyCounter, 32585 mSolverCounterSat, 3258 mSolverCounterUnsat, 51 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 151.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4131 SdHoareTripleChecker+Valid, 48591 SdHoareTripleChecker+Invalid, 51418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3258 IncrementalHoareTripleChecker+Valid, 32585 IncrementalHoareTripleChecker+Invalid, 51 IncrementalHoareTripleChecker+Unknown, 15524 IncrementalHoareTripleChecker+Unchecked, 160.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:51:13,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4131 Valid, 48591 Invalid, 51418 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3258 Valid, 32585 Invalid, 51 Unknown, 15524 Unchecked, 160.6s Time] [2021-11-17 01:51:13,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54250 states. [2021-11-17 01:51:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54250 to 42964. [2021-11-17 01:51:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42964 states, 29263 states have (on average 1.3279909783685884) internal successors, (38861), 30423 states have internal predecessors, (38861), 10664 states have call successors, (10664), 2177 states have call predecessors, (10664), 3036 states have return successors, (29808), 11176 states have call predecessors, (29808), 10663 states have call successors, (29808) [2021-11-17 01:51:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42964 states to 42964 states and 79333 transitions. [2021-11-17 01:51:17,131 INFO L78 Accepts]: Start accepts. Automaton has 42964 states and 79333 transitions. Word has length 252 [2021-11-17 01:51:17,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:51:17,131 INFO L470 AbstractCegarLoop]: Abstraction has 42964 states and 79333 transitions. [2021-11-17 01:51:17,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 9.206896551724139) internal successors, (267), 25 states have internal predecessors, (267), 11 states have call successors, (57), 11 states have call predecessors, (57), 11 states have return successors, (47), 13 states have call predecessors, (47), 11 states have call successors, (47) [2021-11-17 01:51:17,132 INFO L276 IsEmpty]: Start isEmpty. Operand 42964 states and 79333 transitions. [2021-11-17 01:51:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-17 01:51:17,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:51:17,355 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:51:17,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:51:17,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-17 01:51:17,572 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:51:17,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:51:17,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1908950070, now seen corresponding path program 1 times [2021-11-17 01:51:17,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:51:17,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8913707] [2021-11-17 01:51:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:51:17,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:51:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:51:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:51:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:51:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:51:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 01:51:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:51:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:51:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:51:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:51:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 01:51:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:51:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:51:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 01:51:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:51:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:51:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 01:51:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:51:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:51:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:51:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 01:51:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 01:51:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 01:51:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 01:51:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:51:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-17 01:51:18,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:51:18,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8913707] [2021-11-17 01:51:18,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8913707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:51:18,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:51:18,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 01:51:18,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506893528] [2021-11-17 01:51:18,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:51:18,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 01:51:18,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:51:18,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 01:51:18,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:51:18,496 INFO L87 Difference]: Start difference. First operand 42964 states and 79333 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (23), 9 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 01:51:20,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:22,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:24,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:26,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:32,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:34,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:36,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:38,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:40,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:43,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:45,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:47,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:49,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:51,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:53,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:55,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:51:57,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:00,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:02,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:04,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:06,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:08,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:10,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:12,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:21,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 01:52:24,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:27,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:30,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:32,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:34,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:39,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:41,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:45,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:47,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:49,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:55,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:57,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:52:59,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:01,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:03,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15