./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 01:31:21,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:31:21,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:31:21,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:31:21,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:31:21,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:31:21,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:31:21,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:31:21,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:31:21,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:31:21,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:31:21,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:31:21,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:31:21,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:31:21,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:31:21,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:31:21,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:31:21,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:31:21,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:31:21,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:31:21,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:31:21,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:31:21,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:31:21,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:31:21,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:31:21,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:31:21,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:31:21,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:31:21,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:31:21,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:31:21,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:31:21,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:31:21,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:31:21,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:31:21,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:31:21,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:31:21,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:31:21,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:31:21,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:31:21,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:31:21,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:31:21,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 01:31:22,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:31:22,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:31:22,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:31:22,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:31:22,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:31:22,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:31:22,012 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 01:31:22,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:31:22,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:31:22,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:31:22,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:31:22,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:31:22,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:31:22,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:31:22,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:31:22,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:31:22,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:31:22,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 01:31:22,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:31:22,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:31:22,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:31:22,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:31:22,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:31:22,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 01:31:22,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:31:22,015 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 01:31:22,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 01:31:22,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:31:22,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:31:22,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2021-11-23 01:31:22,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:31:22,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:31:22,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:31:22,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:31:22,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:31:22,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2021-11-23 01:31:22,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b90195f8/c247b26e0b29455597f391cdf82fdd02/FLAGb451e125d [2021-11-23 01:31:22,921 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:31:22,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2021-11-23 01:31:22,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b90195f8/c247b26e0b29455597f391cdf82fdd02/FLAGb451e125d [2021-11-23 01:31:23,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b90195f8/c247b26e0b29455597f391cdf82fdd02 [2021-11-23 01:31:23,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:31:23,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:31:23,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:23,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:31:23,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:31:23,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:23" (1/1) ... [2021-11-23 01:31:23,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554d3c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:23, skipping insertion in model container [2021-11-23 01:31:23,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:23" (1/1) ... [2021-11-23 01:31:23,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:31:23,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:31:24,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2021-11-23 01:31:24,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:24,593 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:31:24,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2021-11-23 01:31:24,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:24,932 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:31:24,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24 WrapperNode [2021-11-23 01:31:24,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:24,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:24,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:31:24,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:31:24,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:24,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:25,670 INFO L137 Inliner]: procedures = 262, calls = 1347, calls flagged for inlining = 517, calls inlined = 3235, statements flattened = 34105 [2021-11-23 01:31:25,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:25,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:31:25,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:31:25,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:31:25,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:25,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:25,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:25,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:26,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:26,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:26,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:26,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:31:26,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:31:26,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:31:26,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:31:26,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (1/1) ... [2021-11-23 01:31:26,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:31:26,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 01:31:26,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:31:26,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:31:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:31:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:31:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:31:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:31:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:31:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:31:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:31:27,224 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:31:27,225 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:31:36,536 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:31:36,577 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:31:36,577 INFO L301 CfgBuilder]: Removed 30 assume(true) statements. [2021-11-23 01:31:36,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:36 BoogieIcfgContainer [2021-11-23 01:31:36,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:31:36,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:31:36,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:31:36,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:31:36,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:31:23" (1/3) ... [2021-11-23 01:31:36,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ffa565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:31:36, skipping insertion in model container [2021-11-23 01:31:36,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:24" (2/3) ... [2021-11-23 01:31:36,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ffa565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:31:36, skipping insertion in model container [2021-11-23 01:31:36,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:36" (3/3) ... [2021-11-23 01:31:36,590 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2021-11-23 01:31:36,594 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:31:36,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2021-11-23 01:31:36,654 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:31:36,666 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 01:31:36,666 INFO L340 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2021-11-23 01:31:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 5837 states, 5813 states have (on average 1.2902115947015311) internal successors, (7500), 5836 states have internal predecessors, (7500), 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) [2021-11-23 01:31:36,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:36,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:36,740 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:31:36,741 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:36,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:36,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1059420366, now seen corresponding path program 1 times [2021-11-23 01:31:36,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:36,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374592481] [2021-11-23 01:31:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:36,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:37,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:37,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374592481] [2021-11-23 01:31:37,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374592481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:37,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:37,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:31:37,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486283934] [2021-11-23 01:31:37,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:37,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 01:31:37,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:37,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 01:31:37,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:31:37,125 INFO L87 Difference]: Start difference. First operand has 5837 states, 5813 states have (on average 1.2902115947015311) internal successors, (7500), 5836 states have internal predecessors, (7500), 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) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2021-11-23 01:31:37,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:37,275 INFO L93 Difference]: Finished difference Result 11527 states and 14822 transitions. [2021-11-23 01:31:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 01:31:37,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) Word has length 43 [2021-11-23 01:31:37,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:37,313 INFO L225 Difference]: With dead ends: 11527 [2021-11-23 01:31:37,313 INFO L226 Difference]: Without dead ends: 5588 [2021-11-23 01:31:37,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:31:37,346 INFO L933 BasicCegarLoop]: 7235 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7235 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:37,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7235 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 01:31:37,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5588 states. [2021-11-23 01:31:37,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5588 to 5588. [2021-11-23 01:31:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5588 states, 5565 states have (on average 1.2632524707996406) internal successors, (7030), 5587 states have internal predecessors, (7030), 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) [2021-11-23 01:31:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5588 states to 5588 states and 7030 transitions. [2021-11-23 01:31:37,664 INFO L78 Accepts]: Start accepts. Automaton has 5588 states and 7030 transitions. Word has length 43 [2021-11-23 01:31:37,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:37,665 INFO L470 AbstractCegarLoop]: Abstraction has 5588 states and 7030 transitions. [2021-11-23 01:31:37,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2021-11-23 01:31:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5588 states and 7030 transitions. [2021-11-23 01:31:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:37,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:37,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:31:37,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:31:37,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:37,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:37,675 INFO L85 PathProgramCache]: Analyzing trace with hash -941467194, now seen corresponding path program 1 times [2021-11-23 01:31:37,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:37,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905692840] [2021-11-23 01:31:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:37,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:37,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:37,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905692840] [2021-11-23 01:31:37,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905692840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:37,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:37,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:31:37,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401894768] [2021-11-23 01:31:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:37,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:31:37,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:37,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:31:37,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:31:37,906 INFO L87 Difference]: Start difference. First operand 5588 states and 7030 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-11-23 01:31:38,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:38,317 INFO L93 Difference]: Finished difference Result 21322 states and 26662 transitions. [2021-11-23 01:31:38,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:31:38,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) Word has length 43 [2021-11-23 01:31:38,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:38,360 INFO L225 Difference]: With dead ends: 21322 [2021-11-23 01:31:38,360 INFO L226 Difference]: Without dead ends: 15760 [2021-11-23 01:31:38,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:38,372 INFO L933 BasicCegarLoop]: 12938 mSDtfsCounter, 9935 mSDsluCounter, 14789 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9935 SdHoareTripleChecker+Valid, 27727 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:38,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9935 Valid, 27727 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:31:38,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15760 states. [2021-11-23 01:31:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15760 to 8233. [2021-11-23 01:31:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8233 states, 8210 states have (on average 1.2526187576126675) internal successors, (10284), 8232 states have internal predecessors, (10284), 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) [2021-11-23 01:31:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8233 states to 8233 states and 10284 transitions. [2021-11-23 01:31:38,555 INFO L78 Accepts]: Start accepts. Automaton has 8233 states and 10284 transitions. Word has length 43 [2021-11-23 01:31:38,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:38,555 INFO L470 AbstractCegarLoop]: Abstraction has 8233 states and 10284 transitions. [2021-11-23 01:31:38,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-11-23 01:31:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 8233 states and 10284 transitions. [2021-11-23 01:31:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:31:38,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:38,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:31:38,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:31:38,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:38,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:38,558 INFO L85 PathProgramCache]: Analyzing trace with hash -904675740, now seen corresponding path program 1 times [2021-11-23 01:31:38,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:38,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829397106] [2021-11-23 01:31:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:38,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:38,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:38,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829397106] [2021-11-23 01:31:38,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829397106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:38,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:38,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:31:38,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604149491] [2021-11-23 01:31:38,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:38,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:31:38,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:38,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:31:38,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:31:38,658 INFO L87 Difference]: Start difference. First operand 8233 states and 10284 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-23 01:31:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:39,206 INFO L93 Difference]: Finished difference Result 34557 states and 42948 transitions. [2021-11-23 01:31:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:31:39,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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) Word has length 44 [2021-11-23 01:31:39,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:39,262 INFO L225 Difference]: With dead ends: 34557 [2021-11-23 01:31:39,263 INFO L226 Difference]: Without dead ends: 26350 [2021-11-23 01:31:39,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:39,282 INFO L933 BasicCegarLoop]: 10267 mSDtfsCounter, 12628 mSDsluCounter, 13972 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12628 SdHoareTripleChecker+Valid, 24239 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:39,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12628 Valid, 24239 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:31:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26350 states. [2021-11-23 01:31:39,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26350 to 15676. [2021-11-23 01:31:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15676 states, 15653 states have (on average 1.2501756851721715) internal successors, (19569), 15675 states have internal predecessors, (19569), 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) [2021-11-23 01:31:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15676 states to 15676 states and 19569 transitions. [2021-11-23 01:31:39,658 INFO L78 Accepts]: Start accepts. Automaton has 15676 states and 19569 transitions. Word has length 44 [2021-11-23 01:31:39,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:39,658 INFO L470 AbstractCegarLoop]: Abstraction has 15676 states and 19569 transitions. [2021-11-23 01:31:39,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-23 01:31:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 15676 states and 19569 transitions. [2021-11-23 01:31:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:31:39,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:39,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:31:39,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:31:39,661 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:39,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:39,662 INFO L85 PathProgramCache]: Analyzing trace with hash 235861593, now seen corresponding path program 1 times [2021-11-23 01:31:39,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:39,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581537896] [2021-11-23 01:31:39,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:39,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:39,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:39,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581537896] [2021-11-23 01:31:39,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581537896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:39,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:39,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:31:39,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966243241] [2021-11-23 01:31:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:39,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:31:39,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:39,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:31:39,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:31:39,770 INFO L87 Difference]: Start difference. First operand 15676 states and 19569 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-23 01:31:40,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:40,649 INFO L93 Difference]: Finished difference Result 66778 states and 82923 transitions. [2021-11-23 01:31:40,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:31:40,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) Word has length 45 [2021-11-23 01:31:40,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:40,770 INFO L225 Difference]: With dead ends: 66778 [2021-11-23 01:31:40,771 INFO L226 Difference]: Without dead ends: 51128 [2021-11-23 01:31:40,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:40,811 INFO L933 BasicCegarLoop]: 10261 mSDtfsCounter, 12651 mSDsluCounter, 13972 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12651 SdHoareTripleChecker+Valid, 24233 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:40,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12651 Valid, 24233 Invalid, 109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:31:40,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51128 states. [2021-11-23 01:31:41,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51128 to 29853. [2021-11-23 01:31:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29853 states, 29830 states have (on average 1.2474689909487093) internal successors, (37212), 29852 states have internal predecessors, (37212), 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) [2021-11-23 01:31:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29853 states to 29853 states and 37212 transitions. [2021-11-23 01:31:41,784 INFO L78 Accepts]: Start accepts. Automaton has 29853 states and 37212 transitions. Word has length 45 [2021-11-23 01:31:41,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:41,784 INFO L470 AbstractCegarLoop]: Abstraction has 29853 states and 37212 transitions. [2021-11-23 01:31:41,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-23 01:31:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29853 states and 37212 transitions. [2021-11-23 01:31:41,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:31:41,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:41,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:31:41,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:31:41,787 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:41,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1232782807, now seen corresponding path program 1 times [2021-11-23 01:31:41,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:41,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244274645] [2021-11-23 01:31:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:41,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:41,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:41,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244274645] [2021-11-23 01:31:41,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244274645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:41,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:41,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:31:41,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450186231] [2021-11-23 01:31:41,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:41,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:31:41,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:41,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:31:41,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:31:41,876 INFO L87 Difference]: Start difference. First operand 29853 states and 37212 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-23 01:31:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:44,037 INFO L93 Difference]: Finished difference Result 129089 states and 160064 transitions. [2021-11-23 01:31:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:31:44,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) Word has length 46 [2021-11-23 01:31:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:44,426 INFO L225 Difference]: With dead ends: 129089 [2021-11-23 01:31:44,427 INFO L226 Difference]: Without dead ends: 99262 [2021-11-23 01:31:44,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:44,521 INFO L933 BasicCegarLoop]: 10255 mSDtfsCounter, 12674 mSDsluCounter, 13972 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12674 SdHoareTripleChecker+Valid, 24227 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:44,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12674 Valid, 24227 Invalid, 109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:31:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99262 states. [2021-11-23 01:31:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99262 to 56786. [2021-11-23 01:31:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56786 states, 56763 states have (on average 1.2444373976005496) internal successors, (70638), 56785 states have internal predecessors, (70638), 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) [2021-11-23 01:31:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56786 states to 56786 states and 70638 transitions. [2021-11-23 01:31:46,350 INFO L78 Accepts]: Start accepts. Automaton has 56786 states and 70638 transitions. Word has length 46 [2021-11-23 01:31:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:46,351 INFO L470 AbstractCegarLoop]: Abstraction has 56786 states and 70638 transitions. [2021-11-23 01:31:46,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-23 01:31:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 56786 states and 70638 transitions. [2021-11-23 01:31:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:31:46,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:46,359 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 01:31:46,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 01:31:46,360 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:46,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:46,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1858941350, now seen corresponding path program 1 times [2021-11-23 01:31:46,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:46,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585531338] [2021-11-23 01:31:46,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:46,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:31:46,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:46,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585531338] [2021-11-23 01:31:46,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585531338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:46,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:46,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:31:46,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422377137] [2021-11-23 01:31:46,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:46,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:31:46,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:46,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:31:46,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:46,484 INFO L87 Difference]: Start difference. First operand 56786 states and 70638 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-23 01:31:49,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:49,887 INFO L93 Difference]: Finished difference Result 185838 states and 230588 transitions. [2021-11-23 01:31:49,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 01:31:49,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) Word has length 52 [2021-11-23 01:31:49,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:50,184 INFO L225 Difference]: With dead ends: 185838 [2021-11-23 01:31:50,185 INFO L226 Difference]: Without dead ends: 129078 [2021-11-23 01:31:50,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 01:31:50,330 INFO L933 BasicCegarLoop]: 13101 mSDtfsCounter, 19098 mSDsluCounter, 29817 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19098 SdHoareTripleChecker+Valid, 42918 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:50,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19098 Valid, 42918 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:31:50,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129078 states. [2021-11-23 01:31:52,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129078 to 56826. [2021-11-23 01:31:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56826 states, 56803 states have (on average 1.244265267679524) internal successors, (70678), 56825 states have internal predecessors, (70678), 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) [2021-11-23 01:31:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56826 states to 56826 states and 70678 transitions. [2021-11-23 01:31:52,852 INFO L78 Accepts]: Start accepts. Automaton has 56826 states and 70678 transitions. Word has length 52 [2021-11-23 01:31:52,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:52,852 INFO L470 AbstractCegarLoop]: Abstraction has 56826 states and 70678 transitions. [2021-11-23 01:31:52,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-23 01:31:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 56826 states and 70678 transitions. [2021-11-23 01:31:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:31:52,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:52,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:31:52,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 01:31:52,855 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:52,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:52,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1069845674, now seen corresponding path program 1 times [2021-11-23 01:31:52,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:52,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555903534] [2021-11-23 01:31:52,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:52,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:52,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:52,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555903534] [2021-11-23 01:31:52,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555903534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:52,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:52,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:31:52,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783585556] [2021-11-23 01:31:52,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:52,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:31:52,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:52,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:31:52,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:31:52,941 INFO L87 Difference]: Start difference. First operand 56826 states and 70678 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 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) [2021-11-23 01:31:54,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:54,280 INFO L93 Difference]: Finished difference Result 56826 states and 70678 transitions. [2021-11-23 01:31:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:31:54,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 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) Word has length 57 [2021-11-23 01:31:54,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:54,366 INFO L225 Difference]: With dead ends: 56826 [2021-11-23 01:31:54,367 INFO L226 Difference]: Without dead ends: 56804 [2021-11-23 01:31:54,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:31:54,389 INFO L933 BasicCegarLoop]: 6997 mSDtfsCounter, 3259 mSDsluCounter, 3654 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 10651 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:54,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3259 Valid, 10651 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:31:54,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56804 states. [2021-11-23 01:31:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56804 to 56804. [2021-11-23 01:31:56,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56804 states, 56792 states have (on average 1.2419883082124243) internal successors, (70535), 56803 states have internal predecessors, (70535), 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) [2021-11-23 01:31:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56804 states to 56804 states and 70535 transitions. [2021-11-23 01:31:56,269 INFO L78 Accepts]: Start accepts. Automaton has 56804 states and 70535 transitions. Word has length 57 [2021-11-23 01:31:56,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:56,269 INFO L470 AbstractCegarLoop]: Abstraction has 56804 states and 70535 transitions. [2021-11-23 01:31:56,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 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) [2021-11-23 01:31:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 56804 states and 70535 transitions. [2021-11-23 01:31:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:31:56,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:56,275 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 01:31:56,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 01:31:56,276 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-23 01:31:56,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:56,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1784263916, now seen corresponding path program 1 times [2021-11-23 01:31:56,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:56,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877045461] [2021-11-23 01:31:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:56,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:56,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:56,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:56,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877045461] [2021-11-23 01:31:56,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877045461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:56,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:56,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:31:56,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791900823] [2021-11-23 01:31:56,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:56,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:31:56,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:56,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:31:56,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:31:56,343 INFO L87 Difference]: Start difference. First operand 56804 states and 70535 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-11-23 01:31:59,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:59,065 INFO L93 Difference]: Finished difference Result 145958 states and 181182 transitions. [2021-11-23 01:31:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:31:59,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) Word has length 83 [2021-11-23 01:31:59,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:59,212 INFO L225 Difference]: With dead ends: 145958 [2021-11-23 01:31:59,213 INFO L226 Difference]: Without dead ends: 89180 [2021-11-23 01:31:59,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:31:59,291 INFO L933 BasicCegarLoop]: 10699 mSDtfsCounter, 5079 mSDsluCounter, 6892 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 17591 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:59,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5079 Valid, 17591 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:31:59,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89180 states.