./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.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 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:54:17,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:54:17,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:54:17,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:54:17,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:54:17,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:54:17,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:54:17,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:54:17,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:54:17,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:54:17,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:54:17,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:54:17,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:54:17,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:54:17,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:54:17,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:54:17,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:54:17,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:54:17,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:54:17,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:54:17,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:54:17,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:54:17,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:54:17,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:54:17,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:54:17,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:54:17,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:54:17,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:54:17,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:54:17,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:54:17,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:54:17,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:54:17,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:54:17,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:54:17,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:54:17,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:54:17,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:54:17,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:54:17,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:54:17,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:54:17,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:54:17,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:54:17,098 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:54:17,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:54:17,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:54:17,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:54:17,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:54:17,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:54:17,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:54:17,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:54:17,112 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:54:17,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:54:17,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:54:17,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:54:17,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:54:17,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:54:17,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:54:17,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:54:17,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:54:17,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:54:17,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:54:17,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:54:17,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:54:17,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:54:17,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:54:17,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:54:17,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:54:17,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:54:17,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:54:17,116 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:54:17,116 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:54:17,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:54:17,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 [2021-12-28 04:54:17,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:54:17,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:54:17,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:54:17,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:54:17,380 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:54:17,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2021-12-28 04:54:17,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519c34c10/d7002233c27141a3923aa303dea9f450/FLAGa027ef473 [2021-12-28 04:54:18,055 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:54:18,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2021-12-28 04:54:18,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519c34c10/d7002233c27141a3923aa303dea9f450/FLAGa027ef473 [2021-12-28 04:54:18,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519c34c10/d7002233c27141a3923aa303dea9f450 [2021-12-28 04:54:18,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:54:18,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:54:18,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:54:18,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:54:18,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:54:18,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:54:18" (1/1) ... [2021-12-28 04:54:18,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aaafac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:18, skipping insertion in model container [2021-12-28 04:54:18,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:54:18" (1/1) ... [2021-12-28 04:54:18,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:54:18,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:54:19,708 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2021-12-28 04:54:19,711 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2021-12-28 04:54:19,711 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2021-12-28 04:54:19,712 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2021-12-28 04:54:19,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:54:19,766 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:54:20,033 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2021-12-28 04:54:20,034 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2021-12-28 04:54:20,034 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2021-12-28 04:54:20,035 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2021-12-28 04:54:20,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:54:20,149 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:54:20,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20 WrapperNode [2021-12-28 04:54:20,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:54:20,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:54:20,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:54:20,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:54:20,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,358 INFO L137 Inliner]: procedures = 352, calls = 1911, calls flagged for inlining = 207, calls inlined = 201, statements flattened = 4930 [2021-12-28 04:54:20,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:54:20,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:54:20,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:54:20,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:54:20,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:54:20,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:54:20,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:54:20,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:54:20,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (1/1) ... [2021-12-28 04:54:20,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:54:20,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:54:20,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:54:20,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:54:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2021-12-28 04:54:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2021-12-28 04:54:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:54:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:54:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-28 04:54:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2021-12-28 04:54:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2021-12-28 04:54:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:54:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2021-12-28 04:54:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2021-12-28 04:54:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-28 04:54:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-28 04:54:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:54:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:54:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:54:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:54:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:54:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:54:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:54:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:54:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:54:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2021-12-28 04:54:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2021-12-28 04:54:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2021-12-28 04:54:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2021-12-28 04:54:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2021-12-28 04:54:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2021-12-28 04:54:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:54:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:54:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2021-12-28 04:54:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2021-12-28 04:54:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:54:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:54:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:54:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:54:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:54:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:54:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:54:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:54:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2021-12-28 04:54:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2021-12-28 04:54:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:54:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:54:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2021-12-28 04:54:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2021-12-28 04:54:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:54:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:54:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:54:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:54:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:54:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:54:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2021-12-28 04:54:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2021-12-28 04:54:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-28 04:54:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-28 04:54:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 04:54:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 04:54:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2021-12-28 04:54:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2021-12-28 04:54:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2021-12-28 04:54:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2021-12-28 04:54:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 04:54:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 04:54:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:54:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:54:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:54:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:54:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:54:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:54:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:54:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:54:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:54:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:54:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-12-28 04:54:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-12-28 04:54:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:54:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:54:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:54:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:54:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:54:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:54:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:54:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:54:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:54:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:54:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2021-12-28 04:54:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2021-12-28 04:54:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:54:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:54:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:54:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:54:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:54:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:54:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:54:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:54:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:54:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2021-12-28 04:54:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2021-12-28 04:54:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:54:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:54:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:54:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:54:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:54:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2021-12-28 04:54:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2021-12-28 04:54:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:54:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:54:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:54:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:54:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:54:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:54:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:54:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2021-12-28 04:54:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2021-12-28 04:54:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:54:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:54:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:54:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:54:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:54:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:54:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:54:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2021-12-28 04:54:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2021-12-28 04:54:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2021-12-28 04:54:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2021-12-28 04:54:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:54:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:54:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:54:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:54:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:54:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:54:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:54:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:54:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:54:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2021-12-28 04:54:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2021-12-28 04:54:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 04:54:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 04:54:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 04:54:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 04:54:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:54:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2021-12-28 04:54:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2021-12-28 04:54:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:54:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:54:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:54:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:54:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:54:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:54:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:54:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:54:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:54:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:54:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:54:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 04:54:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 04:54:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:54:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:54:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:54:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:54:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:54:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:54:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:54:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:54:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-28 04:54:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-28 04:54:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:54:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:54:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:54:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:54:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:54:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:54:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:54:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:54:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:54:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-28 04:54:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-28 04:54:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2021-12-28 04:54:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2021-12-28 04:54:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:54:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:54:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-28 04:54:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-28 04:54:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:54:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:54:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2021-12-28 04:54:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2021-12-28 04:54:21,432 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:54:21,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:54:21,867 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:54:24,404 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:54:24,533 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:54:24,545 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:54:24,545 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:54:24,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:54:24 BoogieIcfgContainer [2021-12-28 04:54:24,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:54:24,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:54:24,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:54:24,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:54:24,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:54:18" (1/3) ... [2021-12-28 04:54:24,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548c2585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:54:24, skipping insertion in model container [2021-12-28 04:54:24,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:54:20" (2/3) ... [2021-12-28 04:54:24,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548c2585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:54:24, skipping insertion in model container [2021-12-28 04:54:24,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:54:24" (3/3) ... [2021-12-28 04:54:24,552 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2021-12-28 04:54:24,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:54:24,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 04:54:24,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:54:24,590 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:54:24,590 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-28 04:54:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 1955 states, 1328 states have (on average 1.302710843373494) internal successors, (1730), 1367 states have internal predecessors, (1730), 541 states have call successors, (541), 85 states have call predecessors, (541), 84 states have return successors, (535), 521 states have call predecessors, (535), 535 states have call successors, (535) [2021-12-28 04:54:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-28 04:54:24,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:24,635 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:54:24,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:24,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:24,638 INFO L85 PathProgramCache]: Analyzing trace with hash -7580242, now seen corresponding path program 1 times [2021-12-28 04:54:24,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:24,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945822222] [2021-12-28 04:54:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:24,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:54:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-28 04:54:25,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:25,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945822222] [2021-12-28 04:54:25,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945822222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:25,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:25,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:54:25,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959227339] [2021-12-28 04:54:25,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:25,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:54:25,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:25,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:54:25,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:25,345 INFO L87 Difference]: Start difference. First operand has 1955 states, 1328 states have (on average 1.302710843373494) internal successors, (1730), 1367 states have internal predecessors, (1730), 541 states have call successors, (541), 85 states have call predecessors, (541), 84 states have return successors, (535), 521 states have call predecessors, (535), 535 states have call successors, (535) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-28 04:54:29,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:29,331 INFO L93 Difference]: Finished difference Result 5773 states and 8383 transitions. [2021-12-28 04:54:29,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:54:29,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 115 [2021-12-28 04:54:29,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:29,362 INFO L225 Difference]: With dead ends: 5773 [2021-12-28 04:54:29,362 INFO L226 Difference]: Without dead ends: 3828 [2021-12-28 04:54:29,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:29,377 INFO L933 BasicCegarLoop]: 2907 mSDtfsCounter, 3271 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 1657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3761 SdHoareTripleChecker+Valid, 5444 SdHoareTripleChecker+Invalid, 4042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1657 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:29,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3761 Valid, 5444 Invalid, 4042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1657 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-28 04:54:29,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2021-12-28 04:54:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3788. [2021-12-28 04:54:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 2579 states have (on average 1.2954633578906554) internal successors, (3341), 2656 states have internal predecessors, (3341), 1042 states have call successors, (1042), 166 states have call predecessors, (1042), 165 states have return successors, (1039), 1011 states have call predecessors, (1039), 1039 states have call successors, (1039) [2021-12-28 04:54:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 5422 transitions. [2021-12-28 04:54:29,566 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 5422 transitions. Word has length 115 [2021-12-28 04:54:29,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:29,567 INFO L470 AbstractCegarLoop]: Abstraction has 3788 states and 5422 transitions. [2021-12-28 04:54:29,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-28 04:54:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 5422 transitions. [2021-12-28 04:54:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-28 04:54:29,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:29,577 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:54:29,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:54:29,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:29,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:29,578 INFO L85 PathProgramCache]: Analyzing trace with hash -36583230, now seen corresponding path program 1 times [2021-12-28 04:54:29,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:29,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517875683] [2021-12-28 04:54:29,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:29,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:54:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:54:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:54:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-28 04:54:29,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:29,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517875683] [2021-12-28 04:54:29,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517875683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:29,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:29,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:54:29,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512232275] [2021-12-28 04:54:29,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:29,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:54:29,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:29,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:54:29,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:29,933 INFO L87 Difference]: Start difference. First operand 3788 states and 5422 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-28 04:54:35,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:35,227 INFO L93 Difference]: Finished difference Result 8735 states and 12568 transitions. [2021-12-28 04:54:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:54:35,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 148 [2021-12-28 04:54:35,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:35,254 INFO L225 Difference]: With dead ends: 8735 [2021-12-28 04:54:35,255 INFO L226 Difference]: Without dead ends: 4968 [2021-12-28 04:54:35,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:54:35,269 INFO L933 BasicCegarLoop]: 2695 mSDtfsCounter, 3523 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 3790 mSolverCounterSat, 3038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 5909 SdHoareTripleChecker+Invalid, 6828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3038 IncrementalHoareTripleChecker+Valid, 3790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:35,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3852 Valid, 5909 Invalid, 6828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3038 Valid, 3790 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-28 04:54:35,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4968 states. [2021-12-28 04:54:35,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4968 to 4673. [2021-12-28 04:54:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4673 states, 3142 states have (on average 1.2902609802673457) internal successors, (4054), 3242 states have internal predecessors, (4054), 1322 states have call successors, (1322), 209 states have call predecessors, (1322), 207 states have return successors, (1319), 1282 states have call predecessors, (1319), 1319 states have call successors, (1319) [2021-12-28 04:54:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4673 states to 4673 states and 6695 transitions. [2021-12-28 04:54:35,442 INFO L78 Accepts]: Start accepts. Automaton has 4673 states and 6695 transitions. Word has length 148 [2021-12-28 04:54:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:35,444 INFO L470 AbstractCegarLoop]: Abstraction has 4673 states and 6695 transitions. [2021-12-28 04:54:35,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-28 04:54:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4673 states and 6695 transitions. [2021-12-28 04:54:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-28 04:54:35,450 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:35,450 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2021-12-28 04:54:35,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:54:35,451 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:35,456 INFO L85 PathProgramCache]: Analyzing trace with hash -270993064, now seen corresponding path program 1 times [2021-12-28 04:54:35,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:35,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057430781] [2021-12-28 04:54:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:35,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:54:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:54:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 04:54:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:54:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-28 04:54:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-12-28 04:54:35,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:35,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057430781] [2021-12-28 04:54:35,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057430781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:35,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:35,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:54:35,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328422002] [2021-12-28 04:54:35,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:35,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:54:35,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:35,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:54:35,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:35,696 INFO L87 Difference]: Start difference. First operand 4673 states and 6695 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:54:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:37,834 INFO L93 Difference]: Finished difference Result 8038 states and 11530 transitions. [2021-12-28 04:54:37,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:54:37,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 158 [2021-12-28 04:54:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:37,856 INFO L225 Difference]: With dead ends: 8038 [2021-12-28 04:54:37,856 INFO L226 Difference]: Without dead ends: 4715 [2021-12-28 04:54:37,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:37,869 INFO L933 BasicCegarLoop]: 2569 mSDtfsCounter, 651 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 5121 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:37,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 5121 Invalid, 2366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-28 04:54:37,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4715 states. [2021-12-28 04:54:37,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4715 to 4673. [2021-12-28 04:54:37,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4673 states, 3142 states have (on average 1.2896244430299173) internal successors, (4052), 3242 states have internal predecessors, (4052), 1322 states have call successors, (1322), 209 states have call predecessors, (1322), 207 states have return successors, (1319), 1282 states have call predecessors, (1319), 1319 states have call successors, (1319) [2021-12-28 04:54:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4673 states to 4673 states and 6693 transitions. [2021-12-28 04:54:38,008 INFO L78 Accepts]: Start accepts. Automaton has 4673 states and 6693 transitions. Word has length 158 [2021-12-28 04:54:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:38,009 INFO L470 AbstractCegarLoop]: Abstraction has 4673 states and 6693 transitions. [2021-12-28 04:54:38,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:54:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 4673 states and 6693 transitions. [2021-12-28 04:54:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-28 04:54:38,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:38,015 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2021-12-28 04:54:38,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:54:38,015 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:38,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:38,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1743081093, now seen corresponding path program 1 times [2021-12-28 04:54:38,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:38,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094150783] [2021-12-28 04:54:38,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:38,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:54:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:54:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:54:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 04:54:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 04:54:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:54:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:54:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-28 04:54:38,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:38,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094150783] [2021-12-28 04:54:38,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094150783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:38,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:38,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:54:38,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702197476] [2021-12-28 04:54:38,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:38,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:54:38,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:38,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:54:38,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:54:38,238 INFO L87 Difference]: Start difference. First operand 4673 states and 6693 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 04:54:41,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:41,475 INFO L93 Difference]: Finished difference Result 11249 states and 16147 transitions. [2021-12-28 04:54:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:54:41,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2021-12-28 04:54:41,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:41,512 INFO L225 Difference]: With dead ends: 11249 [2021-12-28 04:54:41,513 INFO L226 Difference]: Without dead ends: 7926 [2021-12-28 04:54:41,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:41,527 INFO L933 BasicCegarLoop]: 4346 mSDtfsCounter, 2792 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 1275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3277 SdHoareTripleChecker+Valid, 7559 SdHoareTripleChecker+Invalid, 3653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1275 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:41,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3277 Valid, 7559 Invalid, 3653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1275 Valid, 2378 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-28 04:54:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7926 states. [2021-12-28 04:54:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7926 to 7856. [2021-12-28 04:54:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7856 states, 5292 states have (on average 1.2913832199546484) internal successors, (6834), 5457 states have internal predecessors, (6834), 2213 states have call successors, (2213), 351 states have call predecessors, (2213), 349 states have return successors, (2210), 2150 states have call predecessors, (2210), 2210 states have call successors, (2210) [2021-12-28 04:54:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7856 states to 7856 states and 11257 transitions. [2021-12-28 04:54:41,780 INFO L78 Accepts]: Start accepts. Automaton has 7856 states and 11257 transitions. Word has length 174 [2021-12-28 04:54:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:41,781 INFO L470 AbstractCegarLoop]: Abstraction has 7856 states and 11257 transitions. [2021-12-28 04:54:41,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 04:54:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7856 states and 11257 transitions. [2021-12-28 04:54:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-28 04:54:41,787 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:41,787 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2021-12-28 04:54:41,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:54:41,787 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1877094599, now seen corresponding path program 1 times [2021-12-28 04:54:41,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:41,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929326483] [2021-12-28 04:54:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:41,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:54:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:54:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:54:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 04:54:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 04:54:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:54:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:54:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2021-12-28 04:54:42,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:42,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929326483] [2021-12-28 04:54:42,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929326483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:42,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:42,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:54:42,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281132160] [2021-12-28 04:54:42,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:42,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:54:42,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:42,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:54:42,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:42,077 INFO L87 Difference]: Start difference. First operand 7856 states and 11257 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:54:44,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:44,555 INFO L93 Difference]: Finished difference Result 7924 states and 11384 transitions. [2021-12-28 04:54:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:54:44,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2021-12-28 04:54:44,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:44,596 INFO L225 Difference]: With dead ends: 7924 [2021-12-28 04:54:44,597 INFO L226 Difference]: Without dead ends: 7883 [2021-12-28 04:54:44,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:54:44,606 INFO L933 BasicCegarLoop]: 2558 mSDtfsCounter, 2677 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 1137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2976 SdHoareTripleChecker+Valid, 5117 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1137 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:44,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2976 Valid, 5117 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1137 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-28 04:54:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7883 states. [2021-12-28 04:54:44,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7883 to 7821. [2021-12-28 04:54:44,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7821 states, 5274 states have (on average 1.2910504361016306) internal successors, (6809), 5433 states have internal predecessors, (6809), 2198 states have call successors, (2198), 348 states have call predecessors, (2198), 348 states have return successors, (2198), 2142 states have call predecessors, (2198), 2198 states have call successors, (2198) [2021-12-28 04:54:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7821 states to 7821 states and 11205 transitions. [2021-12-28 04:54:44,942 INFO L78 Accepts]: Start accepts. Automaton has 7821 states and 11205 transitions. Word has length 174 [2021-12-28 04:54:44,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:44,943 INFO L470 AbstractCegarLoop]: Abstraction has 7821 states and 11205 transitions. [2021-12-28 04:54:44,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:54:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7821 states and 11205 transitions. [2021-12-28 04:54:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-28 04:54:44,963 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:44,964 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 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] [2021-12-28 04:54:44,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:54:44,964 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:44,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:44,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1804374031, now seen corresponding path program 1 times [2021-12-28 04:54:44,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:44,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797839401] [2021-12-28 04:54:44,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:44,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:54:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:54:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:54:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 04:54:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:54:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:54:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:54:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-28 04:54:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:54:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-28 04:54:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-12-28 04:54:45,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:45,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797839401] [2021-12-28 04:54:45,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797839401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:45,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:45,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:54:45,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582124835] [2021-12-28 04:54:45,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:45,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:54:45,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:45,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:54:45,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:45,264 INFO L87 Difference]: Start difference. First operand 7821 states and 11205 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:54:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:49,818 INFO L93 Difference]: Finished difference Result 17662 states and 25380 transitions. [2021-12-28 04:54:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:54:49,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 215 [2021-12-28 04:54:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:49,892 INFO L225 Difference]: With dead ends: 17662 [2021-12-28 04:54:49,892 INFO L226 Difference]: Without dead ends: 11191 [2021-12-28 04:54:49,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:54:49,918 INFO L933 BasicCegarLoop]: 4117 mSDtfsCounter, 2599 mSDsluCounter, 4336 mSDsCounter, 0 mSdLazyCounter, 4189 mSolverCounterSat, 2186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 8453 SdHoareTripleChecker+Invalid, 6375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2186 IncrementalHoareTripleChecker+Valid, 4189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:49,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2925 Valid, 8453 Invalid, 6375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2186 Valid, 4189 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 04:54:49,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11191 states. [2021-12-28 04:54:50,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11191 to 10553. [2021-12-28 04:54:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10553 states, 7095 states have (on average 1.2897815362931642) internal successors, (9151), 7311 states have internal predecessors, (9151), 2984 states have call successors, (2984), 473 states have call predecessors, (2984), 473 states have return successors, (2984), 2909 states have call predecessors, (2984), 2984 states have call successors, (2984) [2021-12-28 04:54:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10553 states to 10553 states and 15119 transitions. [2021-12-28 04:54:50,267 INFO L78 Accepts]: Start accepts. Automaton has 10553 states and 15119 transitions. Word has length 215 [2021-12-28 04:54:50,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:50,268 INFO L470 AbstractCegarLoop]: Abstraction has 10553 states and 15119 transitions. [2021-12-28 04:54:50,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 04:54:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 10553 states and 15119 transitions. [2021-12-28 04:54:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-28 04:54:50,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:50,305 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-28 04:54:50,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:54:50,305 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:50,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:50,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1074901092, now seen corresponding path program 1 times [2021-12-28 04:54:50,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:50,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71119962] [2021-12-28 04:54:50,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:50,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:54:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:54:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:54:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 04:54:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:54:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:54:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:54:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 04:54:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:54:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:54:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:54:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:54:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:54:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:54:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:54:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:54:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:54:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-28 04:54:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2021-12-28 04:54:50,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:50,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71119962] [2021-12-28 04:54:50,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71119962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:50,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:50,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:54:50,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466135264] [2021-12-28 04:54:50,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:50,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:54:50,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:50,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:54:50,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:54:50,572 INFO L87 Difference]: Start difference. First operand 10553 states and 15119 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-28 04:54:55,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:54:55,189 INFO L93 Difference]: Finished difference Result 23256 states and 33398 transitions. [2021-12-28 04:54:55,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:54:55,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 289 [2021-12-28 04:54:55,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:54:55,264 INFO L225 Difference]: With dead ends: 23256 [2021-12-28 04:54:55,265 INFO L226 Difference]: Without dead ends: 14053 [2021-12-28 04:54:55,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:54:55,306 INFO L933 BasicCegarLoop]: 4145 mSDtfsCounter, 2599 mSDsluCounter, 4384 mSDsCounter, 0 mSdLazyCounter, 4171 mSolverCounterSat, 2157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2927 SdHoareTripleChecker+Valid, 8529 SdHoareTripleChecker+Invalid, 6328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2157 IncrementalHoareTripleChecker+Valid, 4171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:54:55,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2927 Valid, 8529 Invalid, 6328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2157 Valid, 4171 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 04:54:55,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14053 states. [2021-12-28 04:54:55,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14053 to 13269. [2021-12-28 04:54:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13269 states, 8906 states have (on average 1.28935549068044) internal successors, (11483), 9179 states have internal predecessors, (11483), 3764 states have call successors, (3764), 598 states have call predecessors, (3764), 598 states have return successors, (3764), 3670 states have call predecessors, (3764), 3764 states have call successors, (3764) [2021-12-28 04:54:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13269 states to 13269 states and 19011 transitions. [2021-12-28 04:54:55,803 INFO L78 Accepts]: Start accepts. Automaton has 13269 states and 19011 transitions. Word has length 289 [2021-12-28 04:54:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:54:55,806 INFO L470 AbstractCegarLoop]: Abstraction has 13269 states and 19011 transitions. [2021-12-28 04:54:55,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-28 04:54:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 13269 states and 19011 transitions. [2021-12-28 04:54:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-28 04:54:55,855 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:54:55,855 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-28 04:54:55,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 04:54:55,855 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:54:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:54:55,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1959148954, now seen corresponding path program 1 times [2021-12-28 04:54:55,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:54:55,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331179820] [2021-12-28 04:54:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:54:55,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:54:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:54:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:54:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:54:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:54:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:54:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:54:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:54:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:54:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:54:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:54:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:54:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:54:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 04:54:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:54:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:54:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:54:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 04:54:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:54:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:54:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:54:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:54:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:54:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:54:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:54:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:54:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:54:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:54:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-28 04:54:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:54:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-12-28 04:54:56,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:54:56,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331179820] [2021-12-28 04:54:56,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331179820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:54:56,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:54:56,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:54:56,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931526236] [2021-12-28 04:54:56,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:54:56,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:54:56,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:54:56,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:54:56,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:54:56,140 INFO L87 Difference]: Start difference. First operand 13269 states and 19011 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:55:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:55:01,251 INFO L93 Difference]: Finished difference Result 30934 states and 44793 transitions. [2021-12-28 04:55:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 04:55:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 289 [2021-12-28 04:55:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:55:01,456 INFO L225 Difference]: With dead ends: 30934 [2021-12-28 04:55:01,468 INFO L226 Difference]: Without dead ends: 19015 [2021-12-28 04:55:01,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:55:01,568 INFO L933 BasicCegarLoop]: 3433 mSDtfsCounter, 2076 mSDsluCounter, 9031 mSDsCounter, 0 mSdLazyCounter, 6573 mSolverCounterSat, 1515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 12464 SdHoareTripleChecker+Invalid, 8088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1515 IncrementalHoareTripleChecker+Valid, 6573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:55:01,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2407 Valid, 12464 Invalid, 8088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1515 Valid, 6573 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-28 04:55:01,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19015 states. [2021-12-28 04:55:02,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19015 to 13277. [2021-12-28 04:55:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13277 states, 8912 states have (on average 1.2891606822262118) internal successors, (11489), 9185 states have internal predecessors, (11489), 3764 states have call successors, (3764), 598 states have call predecessors, (3764), 600 states have return successors, (3768), 3672 states have call predecessors, (3768), 3764 states have call successors, (3768) [2021-12-28 04:55:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13277 states to 13277 states and 19021 transitions. [2021-12-28 04:55:02,325 INFO L78 Accepts]: Start accepts. Automaton has 13277 states and 19021 transitions. Word has length 289 [2021-12-28 04:55:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:55:02,326 INFO L470 AbstractCegarLoop]: Abstraction has 13277 states and 19021 transitions. [2021-12-28 04:55:02,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:55:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 13277 states and 19021 transitions. [2021-12-28 04:55:02,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-28 04:55:02,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:55:02,362 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-28 04:55:02,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 04:55:02,362 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:55:02,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:55:02,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1946935258, now seen corresponding path program 1 times [2021-12-28 04:55:02,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:55:02,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695495199] [2021-12-28 04:55:02,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:55:02,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:55:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:55:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:55:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:55:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:55:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:55:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:55:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:55:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:55:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:55:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 04:55:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:55:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:55:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 04:55:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:55:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:55:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:55:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 04:55:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:55:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:55:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:55:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:55:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:55:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:55:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:55:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:55:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:55:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:55:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-28 04:55:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:55:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-12-28 04:55:02,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:55:02,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695495199] [2021-12-28 04:55:02,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695495199] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:55:02,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:55:02,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:55:02,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538385290] [2021-12-28 04:55:02,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:55:02,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:55:02,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:55:02,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:55:02,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:55:02,706 INFO L87 Difference]: Start difference. First operand 13277 states and 19021 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:55:07,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:55:07,209 INFO L93 Difference]: Finished difference Result 19027 states and 27742 transitions. [2021-12-28 04:55:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:55:07,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 289 [2021-12-28 04:55:07,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:55:07,229 INFO L225 Difference]: With dead ends: 19027 [2021-12-28 04:55:07,229 INFO L226 Difference]: Without dead ends: 0 [2021-12-28 04:55:07,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:55:07,268 INFO L933 BasicCegarLoop]: 3519 mSDtfsCounter, 4079 mSDsluCounter, 5026 mSDsCounter, 0 mSdLazyCounter, 3803 mSolverCounterSat, 2492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4374 SdHoareTripleChecker+Valid, 8545 SdHoareTripleChecker+Invalid, 6295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2492 IncrementalHoareTripleChecker+Valid, 3803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:55:07,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4374 Valid, 8545 Invalid, 6295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2492 Valid, 3803 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-28 04:55:07,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-28 04:55:07,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-28 04:55:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 04:55:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 04:55:07,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2021-12-28 04:55:07,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:55:07,274 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 04:55:07,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:55:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-28 04:55:07,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-28 04:55:07,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-28 04:55:07,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-28 04:55:07,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 04:55:07,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.